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Trek Slash 8 review
Trek's Slash 8 wins our coveted 2021 Enduro Bike of the Year award
Andy Lloyd / Immediate Media
Easy to ride, very natural feeling geometry; great kit for the cash; easy to throw about yet still calm and stable when it needs to be; seriously impressive suspension
Tyres aren’t the best in damp mud
The Trek Slash 8 is our Enduro Bike of the Year for 2021 . After pitting it against seven of the best out there, all at a similar price, it was the Slash 8 that impressed us most in the end.
Meeting the criteria to win this category is no easy feat and the bikes at the pointy end of this test ticked just about every box going.
For a start, while an enduro bike might be designed to go downhill fast, it still needs to get to the top of the hill as efficiently as possible. It’s then got to handle all manner of trails thrown at it with composure and control, but still remain fun and playful throughout.
It took some serious time and effort back-to-back testing all eight of these bikes, which ranged in price from £3,450 to £4,198, riding them on a wide variety of trails and pummelling them relentlessly over rock and root until we found a winner.
Once the dust had settled, it was the Trek Slash 8 that had managed to edge its way into the lead. Its ability to tackle the wildest terrain without flinching yet all the while retaining that reactive, lively feel really won us over.
The Trek Slash has seen more than its fair share of glory over the years and was one of the first long travel 29ers to be properly proven on the world stage. Much of that success was thanks to the highly decorated Tracy Moseley, who always championed the big wheels and rode them to victory year after year.
More recently, the Slash has been making headlines with the likes of Katy Winton, Pedro Burns and Florian Nicolai piloting it.
Last year, the Slash received its first update in some time, all in a bid to properly freshen things up and bring some of that winning magic back into the mix.
The changes the US brand made to the 2021 Slash are substantial and are detailed here , but just how do they translate to the trail?
Trek Slash 8 frame and suspension details
Travel has been upped to 160mm at the rear and is now paired with a longer travel 170mm travel fork up front. It continues to be delivered via Trek’s Active Braking Pivot (ABP) suspension system which places the chainstay pivot concentric to the rear axle.
This design, in Trek’s words, enables it to “tune how the suspension reacts to acceleration and braking forces independently”. And while this might look unchanged, Trek has moved the main pivot up slightly in a bid to increase anti-squat and make the Slash pedal more efficiently.
Controlling that 160mm of travel is the proprietary RockShox Super Deluxe Thru Shaft shock. This design features a shock shaft that goes through the damper body and exits out of the bottom of the shock when compressed.
This means that the shaft doesn’t displace any extra oil as it enters the damper and therefore does away with the need for a dynamic IFP (internal floating piston – which is what compensates for oil displaced by the shock shaft) – something that Trek attributes additional complexity and lag as the shock transitions between the compression and rebound phase, thanks to the reduction in friction.
The theory, at least, should make the back end of the Slash feel seamlessly smooth and incredibly active. It’s also worth noting that the Slash will work with a standard shock as well.
Where the Slash differs from almost all other aluminium frames (and the majority of carbon ones, too), is its internal frame storage. Slide the lever below the bottle cage downward, lift the cage and hatch door up and off the down tube and you’ll find a handy opening, much like the S.W.A.T storage found on some Specialized carbon frames.
You’ll be able to squirrel away a tube and tools in here, rather than carry them on your person. Trek includes a tool roll to help prevent things rattling once stashed inside, too.
While the down tube shape has changed slightly with the latest iteration of the Slash and now offers enough room for the fork crown to clear it, thanks to the subtle curve just behind the head tube junction, Trek has stuck with its steering limiting Knock Block system.
Knock Block stops the bar from turning past a certain angle, preventing the controls on the bar from potentially impacting the top tube and breaking, or, as with the old Slash, the fork crown hitting the down tube.
The latest Knock Block 2.0 used here offers a much greater steering angle before it stops the bar from turning (72 degrees rather than 58 degrees), but if that’s still not enough for you, it can be removed.
Finally, Trek has moved to a wider diameter seatpost, opting to go with the less-common 34.9mm rather than the more popular 30.9mm or 31.6mm alternatives.
While you’ll find fewer aftermarket alternatives should you wish to upgrade your dropper post, it’s worth noting the benefits that this broader diameter brings. The main one is more space internally for the dropper post mechanism, which should make the post more reliable and stiffer.
Trek Slash 8 geometry
The Slash has been, like most other enduro-style bikes in need of a makeover, stretched out, slackened and steepened in all the relevant areas. My medium frame offers a very reasonable 450mm reach, which is a massive jump of 25mm in the low setting over the 2020 model.
Trek has relaxed the head angle for improved high-speed stability and paired it with a 42mm offset fork in a bid to create the ultimate composure through rough turns. I measured the head angle at 64.1 degrees, which is now pretty much standard for bikes like this.
The seat angle has been steepened by a staggering 2 degrees in a bid to improve climbing efficiency, putting the rider’s hips more directly over the bottom bracket.
With my saddle set at just under 700mm (measured from the centre of the bottom bracket to the top of the saddle), the effective seat tube angle of the Slash 8 measured just over 76 degrees in the low setting.
The two geometry settings (low and high) are accessed via the Mino Link ovalised chips that sit inside the EVO rocker link on the seatstay pivot. Switching between the two settings alters the head and seat angles by 0.5 degrees and the bottom bracket height by a substantial 8mm.
In the low setting, I measured the bottom bracket at 344mm off the floor with a drop of 29mm, which certainly isn’t bad for a bike with this much travel.
Effective chainstay length has increased by just 2mm (now up to 437mm) compared with the 2020 model, and this remains constant across all frame sizes.
Trek Slash 8 geometry (low setting)
Trek slash 8 specifications.
The Slash 8 is a serious looker with some great kit bolted to it. Ask anyone at the trail head how much they think it’s worth and chances are they’ll give you a price far higher than its true value.
Let’s start with the suspension. The proprietary RockShox Super Deluxe Ultimate Thru Shaft rear shock – which, by the way, is impressive to see on a bike at this price – is paired with a Lyrik Select fork that pumps out 170mm of travel.
While this might not be the top-tier, all singing, all dancing Lyrik, it still gets the Charger 2.1 RC damper, which allows you to finely tune both the low-speed compression and rebound damping.
A SRAM GX Eagle drivetrain offers a decently wide spread of gears, thanks to that 10-52t cassette.
Again, it’s impressive to see a drivetrain like this on a bike at this price. That said, Trek has saved a little cash by opting to use the cheaper X1 cranks with a stamped steel chainring, rather than the sleeker finished GX equivalents.
Stopping duties are taken care of by a powerful set of SRAM Code R brakes that clamp around 200mm (front)/180mm (rear) rotors. At the lever, there’s tool-free reach adjust which is handy for dialling in lever set up.
The rest of the kit on the Slash 8 comes courtesy of Trek’s in-house components brand Bontrager: bar, stem, grips, dropper post and the rather firm Arvada saddle.
Bontrager also takes care of the wheels, Line Comp 30s, as well as the tyres, speccing XR5 Team Issues upfront and the lower profile and narrower XR4 Team issue at the rear.
All in, my medium Slash 8 weighed 15.25kg.
Trek Slash 8 ride impressions
Set up on the Slash was relatively straight forward; I set the sag at the rear to 30 per cent and didn’t add any more pressure to the shock during testing.
I did find I needed to toggle the low-speed compression dial into the ‘ ’ setting on the shock to get the support I was after through high-load turns and up take-offs.
Setting the rebound took a bit of playing around with, too, but in the end, I settled on four clicks from fully closed, which left it feeling fast and active but still controlled when returning from deep in the travel.
I stuck with the single volume spacer in the Lyrik fork and added 14 clicks of low-speed compression from fully closed with 70psi in the spring. This coupled with 12 clicks of rebound damping left the fork feeling active and supple yet still composed enough when the hits came thick and fast.
I tested the Slash 8 on a mix of steep, natural trails littered with roots and rocks, but all of them were generally quite slow due to their technical nature. So I spent a decent chunk of time getting some high-speed bikepark laps under my belt, subjecting the Slash 8 to fast, flowy trails, high-load turns, jumps and long stretches of jagged rocks, just to see how well it held up when the pace really picked up.
Big thanks to Bikepark Wales for letting us come and use the facilities to test despite being closed.
Trek Slash 8 climbing performance
The Slash felt incredibly easy-going when pointed uphill, especially considering the travel on tap and its outright intentions. This is mainly due to the easy-rolling tyres and just how stable the back end of the bike is when seated and spinning a gear.
At no point did I reach down for the shock's lever to firm things up because I never felt the need to. Instead, the Slash managed to sit relatively high in its travel and remain stable, with little in the way of suspension bob while the power was being applied.
Because the shock wasn’t sinking too deeply into its travel, the Slash managed to maintain its reasonably steep seat angle, which puts you in a nicely efficient, but most importantly, comfortable position for climbing. Even on steeper pitches where I was really mashing the pedals, I never once felt the need to firm the shock up.
While the 610mm effective top tube isn’t massive, it is longer (not by much) than a number of its contemporaries. While I wasn’t overly bothered by this on shorter climbs, I really started to appreciate the space this created when seated on much longer climbs up the hill.
I also appreciated the big 52t cog on the SRAM GX Eagle cassette which, after spending a long day riding lap after lap, I spent more than my fair share of time using to help preserve energy when I was really feeling fatigued but couldn’t face getting off and walking.
Trek Slash 8 descending performance
Thanks to the frame's well-considered proportions, the Slash offers up a well-centred, confident ride position, and it doesn’t take long to adapt to.
When pointed down steeper, more natural trails, I was instantly impressed by how well balanced the bike felt front to rear and how active the back end of the bike remained while it worked tirelessly trying to eke out every ounce of traction available.
And this was despite the lack of bite from the XR4 rear tyre, which doesn’t offer quite the same in terms of corner traction or braking grip compared to the likes of a Maxxis DHR II, for example.
The front tyre was a little better, but when properly leaned over in a soft, muddy turn, the shoulder tread doesn’t dig in quite as well as others, which can make for some dicey moments when the tyres do break traction.
Thankfully things remain quite predictable, so you know when you’ve reached their limit. Still, there’s no knocking their rapid rolling speed on smoother, harder packed terrain.
It was when riding a dedicated jump trail that I started playing around with the low-speed compression settings on the shock. In the default ‘zero’ setting, I was finding that I wasn’t getting as much support in the mid-stroke as I’d have liked when loading the bike from turn to turn or pumping up take-offs.
Switching the low-speed dial to the ‘ ’ position helped to cure this and while Trek says this setting is designed for this exact type of riding, I never found any drawbacks when riding other types of terrain while in it.
Throw the Slash 8 back into the technical stuff and its confident manner really starts to come to the fore as speeds pick up. Stove it head-on into a boulder field and the way this bike deals with the chaos is seriously impressive.
The Slash’s super-supple suspension recovers so rapidly hit after hit, it manages to track the trail with pin-point accuracy and without sinking too low into its travel or sacrificing any of that much-loved liveliness or pop.
The support through the suspension coupled with the taut feel through the frame ensures that you can really feel a difference in speed as you pump every bump or undulation.
That reactiveness also means that getting back up to speed after tackling a slower section or awkward obstacle doesn’t feel anywhere near as laboured as it can on some super-plush big travel rigs.
Slam on the impressively punchy Code R brakes, spot your line and commit, and the Slash will soak up whatever mess lies beneath the tyres and fire you out the other side faster than you thought possible.
It’s easy to hold onto that speed too, even when things get really ugly. Here, the calm exuded by the Slash is simply incredible. While the wheels frantically bash through bump after bump beneath you, it feels as if the chassis barely flinches, isolating the rider from the worst of the feedback and remaining steadfast with no awkward pitching back or forth.
It’s this illusion of tranquillity that the Slash manages to conjure up to give you what feels like extra time to make these split-second decisions.
The Slash’s ability to hoover up the chunder with relative ease makes riding faster a whole lot easier. And that’s the whole point of these bikes, right?
Trek Slash 8 bottom line
It took some back-to-back testing to really highlight just how impressive the Slash can be when tackling the rowdiest of terrain, but thanks to its impressive climbing manners, tidy frame details, good geometry and superb suspension, the new Trek Slash 8 has truly won me over.
While others like the Whyte G-180 might feel closer to a downhill bike in many ways, the Trek’s composure in the rough coupled with the fact that it still feels that bit more agile, poppy and playful is what helps to make this bike truly shine.
Yes, some better tyres would really help improve its performance when it comes to tackling steep, natural, muddy trails (and after switching tyres I can confirm this is the case) but factoring in the extra rubber cost at the point of purchase certainly isn’t a dealbreaker.
Overall, the Slash 8 impressed time and time again on a multitude of terrain and I was constantly in awe of the speed this thing carries through the nastiest of terrain.
A massive thank-you to BikePark Wales for granting us access to its trails despite the bike park being closed to the public.
Cheers also to Fox clothing for sorting the kit for the photo and video shoots and Garmin for sorting us out with bike computers to log the many miles of testing.
And not forgetting Muc-Off , for its help keeping the bikes washed and lubed throughout testing.
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2022 Trek Slash 8 Gen 5
A 29″ aluminum frame full suspension enduro bike with high-end components.
Slash 8 Gen 5 Mountain Bike - 2022, Med/Large
In Stock: LG
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Based on frame geometry and build specs.
A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.
Slash 8 Gen 5
Add custom gearing
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.
Oct 2023 · Dario DiGiulio
Trek did a very good job making the Slash a quiet bike, then seemingly lost the plot when they specced a hard rubber chainslap protector that does little to mitigate the drivetrain noise in bumpy terrain.
Excellent geometry and balanced ride
Composed, capable, and predictable suspension
Climbs well for such a downhill-focused bike
Excels in challenging terrain
Chassis may be too stiff for some
Chain drop issues due to improperly spaced lower idler (fixed)
Stock chainstay protector did very little to manage noise
The all-new Trek Slash is beefed up in celebration of its sixth iteration. This fresh design features an oversized, 19-tooth idler pulley and a high-pivot rear suspension configuration for the first time in the model’s lineage. Travel has been increased to 170 millimeters, pushing it further into the all-out, winch-and-plummet ethos that so many enduro bikes seem to be gravitating to. Our 9.9 version was spec’d with Bontrager’s RSL integrated handlebar and stem, a SRAM T-Type XO drivetrain, and the all-new RockShox Vivid Ultimate rear shock. The previous Slash was an impressive bike. It was impressively light for an enduro bike and was surprisingly efficient to pedal around all day. The new Slash Gen 6 leans more heavily toward the chairlift and shuttle culture side of the mountain bike world with some extra heft and additional pulleys in the drivetrain. However, with the oversized pulley and lighter casing tires, I found the Slash to climb the most efficiently of any high-pivot bike I’ve reviewed thus far. I attribute this mostly to the large, 19-tooth upper idler.
The Trek Slash 9 9 shines on the steeps and excels in the rough, making it an almost perfect rig for enduro racing. Read the full Trek Slash 9.9 XO1 Review here.
Steep terrain crusher
Rough terrain performance
Not the best climber
Ineffective drain tube
Apr 2022 · Alan Muldoon
The Trek Slash 9.8 XT is an enduro bike with progressive geometry and 29er wheels and 170/160mm of travel, and offers a performance that seriously impressive. Good enough to make it on our list of the best enduro mountain bikes? Absolutely. It’s good enough to score a 10 out of 10; a rare feat. Trek Slash 9.8 XT need to know: Mino Link geometry adjustment allows for a 27.5in Mullet setup KnockBlock 2.0 offers an increases the steering angle from 58º to 72º and can be removed if needed A bash guard on the MRP chain guide helps protects the 30t XT chainring RockShox Super Deluxe Ultimate shock sports ThruShaft technology to control the 160mm travel We took the Trek Slash 9.9 XO1 for a first ride when it launched last year, and while the 2022 bike looks remarkably similar, right down to the frame colour of the bike we featured last time, there are several differences. The main one being that the XT equipped bike is £1,500 cheaper and there are changes to the specification that reflect its lower price. You get a full Shimano XT drivetrain and 4-piston XT brakes, rather than SRAM XO1. You also get a RockShox Zeb Select+ fork rather than the Ultimate, while the Bontrager Line Carbon 30 wheels switch to the alloy version. Downgrades? Yes, but none that should detract from the underlying ride quality of the Slash. The most important thing is that the OCLV carbon frame remains unchanged, so you still benefit from all of the advances in the frame geometry and suspension that Trek introduced last year. Updates that saw the addition of downtube storage, the head tube angle getting slacker, the seat tube steeper and the reach longer. Trek also made the suspension more progressive, and increased rear travel by 10mm to 160mm. All positive changes then. Trek Slash 9.8 suspension Trek has always been a big proponent of proprietary suspension components. As such, the RockShox Super Deluxe Ultimate shock on the Slash 9.8 XT features Trek’s ThruShaft technology and it’s the exact same shock that comes on the flagship model. This design eliminates the need for a high pressure IFP (internal floating piston) and in simple terms, this allows for lower breakaway resistance and improved sensitivity. And because the damper shaft passes straight through the shock body, it needs an extender mount and a small hole in the frame to accept the ThruShaft at bottom out. Sounds complex? Well it is, but thankfully setting up the suspension on the Slash is as easy as 1, 2, 3. Sag gradients make it simple to dial in the correct air pressure, and in the open setting the shock has three low-compression settings for fine tuning the response to pedal inputs or the style of terrain you’re riding. Also if you ever want to fit an aftermarket shock, that’s still possible as the Slash uses a 230×62.5mm metric shock size, you’ll just need different lower mounting hardware. Setting up the suspension …Continue reading »
Fast, fun and efficient. Tight, reactive ride. Progressive geometry. Versatile, composed. A do-it-all bike
XL would benefit from a steeper seat angle
Apr 2021 · Robin Weaver
The Slash 8 strikes the perfect balance between a fun and lively feel, and ultimate chaos-calming composure
Easy to ride, very natural feeling geometry
Great kit for the cash
Easy to throw about yet still calm and stable when it needs to be
Seriously impressive suspension
Tyres aren’t the best in damp mud
Mar 2021 · Lydia Tanner
The Trek Slash has been 29-inch-only since 2016, and the 2021 version is evidence of its head start in the big-wheel enduro category.
Superb high-speed stability
Great traction in variable terrain
Supple and generous-feeling suspension
Less maneuverable at slow speeds
A lot of bike to get back up the hill
Riding a bike like the Slash over the winter on the North Shore is a rough test scenario, but Trek's newest long travel trail bike has proven up to the task...
Feb 2021 · Guy Kesteven
We took the Trek Slash 9.9 X01 to our toughest local trails to see how its new shape and unique shock translate to the real world
Phenomenal rear suspension
Awesome aggro geometry
High control cockpit
Optional steering lock
More confident with switched tires
ZEB fork requires some patience
Deserves better wheels
Short dropper on small sizes
Seriously grounded rather than playful
Last updated January 22
2022 Trek Slash 8 Bike (discontinued)
- Write Review
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- Mountain Bikes
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Trek Slash 9.8 XT review
- Alan Muldoon
- April 22, 2022
Yes, the Trek Slash 9.8 XT is a great choice for enduro, but its capable, lively ride makes it a great do-it-all choice for the one bike quiver
Trek Slash test winner Credit: Roo Fowler
Overall rating:, trek slash 9.8.
- Fast, fun and efficient. Tight, reactive ride. Progressive geometry. Versatile, composed. A do-it-all bike
- XL would benefit from a steeper seat angle
Price as reviewed:.
The Trek Slash 9.8 XT is an enduro bike with progressive geometry and 29er wheels and 170/160mm of travel, and offers a performance that seriously impressive. Good enough to make it on our list of the best enduro mountain bikes ? Absolutely. It’s good enough to score a 10 out of 10; a rare feat.
Trek Slash 9.8 XT need to know:
- Mino Link geometry adjustment allows for a 27.5in Mullet setup
- KnockBlock 2.0 offers an increases the steering angle from 58º to 72º and can be removed if needed
- A bash guard on the MRP chain guide helps protects the 30t XT chainring
- RockShox Super Deluxe Ultimate shock sports ThruShaft technology to control the 160mm travel
mbr bike test editor putting the Trek Slash 9.8 through its paces
We took the Trek Slash 9.9 XO1 for a first ride when it launched last year, and while the 2022 bike looks remarkably similar, right down to the frame colour of the bike we featured last time, there are several differences. The main one being that the XT equipped bike is £1,500 cheaper and there are changes to the specification that reflect its lower price.
You get a full Shimano XT drivetrain and 4-piston XT brakes, rather than SRAM XO1. You also get a RockShox Zeb Select+ fork rather than the Ultimate, while the Bontrager Line Carbon 30 wheels switch to the alloy version. Downgrades? Yes, but none that should detract from the underlying ride quality of the Slash.
A full Shimano XT drivetrain including cranks
The most important thing is that the OCLV carbon frame remains unchanged, so you still benefit from all of the advances in the frame geometry and suspension that Trek introduced last year. Updates that saw the addition of downtube storage, the head tube angle getting slacker, the seat tube steeper and the reach longer. Trek also made the suspension more progressive, and increased rear travel by 10mm to 160mm. All positive changes then.
Trek Slash 9.8 suspension
Trek has always been a big proponent of proprietary suspension components. As such, the RockShox Super Deluxe Ultimate shock on the Slash 9.8 XT features Trek’s ThruShaft technology and it’s the exact same shock that comes on the flagship model. This design eliminates the need for a high pressure IFP (internal floating piston) and in simple terms, this allows for lower breakaway resistance and improved sensitivity. And because the damper shaft passes straight through the shock body, it needs an extender mount and a small hole in the frame to accept the ThruShaft at bottom out.
This might be a cheaper bike but the RockShox Super Deluxe Ultimate shock is the exact same shock that comes on the flagship model
Sounds complex? Well it is, but thankfully setting up the suspension on the Slash is as easy as 1, 2, 3. Sag gradients make it simple to dial in the correct air pressure, and in the open setting the shock has three low-compression settings for fine tuning the response to pedal inputs or the style of terrain you’re riding. Also if you ever want to fit an aftermarket shock, that’s still possible as the Slash uses a 230×62.5mm metric shock size, you’ll just need different lower mounting hardware.
Setting up the suspension on the Slash is as easy as 1, 2, 3
Up front the 170mm travel RockShox Zeb Select+ lacks the high speed compression adjuster found on the Ultimate, but you still have the low-speed compression and rebound to fine tune the ride. The burly 38mm chassis definitely adds stiffness and a real sense of security, something that heavier or harder charging riders will really appreciate.
Trek Slash 9.8 components
Sometimes it’s the little things that make a big difference. Like Trek swapping one of the 10mm headset spacers for two 5mm spacers so you can fine tune the height of the handlebar. It also fitted 170mm crankarms to improve pedal clearance, not that the Slash needs them as we had no issues with pedal strikes with the 175mm cranks on last year’s bike.
The Mino link
So if the low geometry setting is really the default mode, what’s the high setting on the Mino Link for? It should provide just enough clearance to run a 27.5in rear wheel if needed, especially with the 170mm cranks.
Rapid Drive 108 freehub on the Bontrager Line 30 wheelset
And while we’re on the subject of wheels, the Rapid Drive 108 freehub on the Bontrager Line 30 wheelset offers a 3.33º engagement angle, which is almost 7 times faster than the rear hub on the Specialized Stumpy Evo.
The removable Switch lever on the rear axle
Trek has missed a trick with it’s removable 6mm Switch lever on the rear axle though. Yes, it also fits the fork axle but if Trek used a stepped design like Scott has, it could probably add a 5mm allen key and a T25 to the same tool. Why is this important? Well, Trek has the smallest cutaway in the downtube for storage so you can’t pack as much stuff into the frame.
Trek Slash 9.8 performance
The Trek Slash is a deceptive bike. And if it weren’t for the burly RockShox Zeb fork, you’d never guess by looking at the compact carbon frame that it’s a big travel rig designed to tackle the toughest enduro race stages. However, the numbers don’t lie. With the size L Slash sporting a 63.5º head angle and a 1,272mm wheelbase, it has a footprint that guarantees a stable grounding even on unstable terrain.
Don’t let the number fool you, this bike is incredibly capable
And while the 29in wheels can certainly truck over rough terrain with the best of them, make no mistake, the Slash is no monster truck. If anything, it’s tight, reactive ride belies its generous travel. And nowhere is that more apparent than when you stomp on the pedals. This bike simply motors.
It feels more solid than the Stumpy or Jam too, something that will definitely favour heavier riders. At a hair over 15kg with our Maxxis control tyres fitted, you don’t even pay a weight penalty for the extra travel or solidity.
The balanced geometry and low standover allows you to get into all sorts of shapes on the Slash, which makes it easy to stay on top of the bike. Basically you always feel like you’re piloting the Slash, never a passenger. Yes, the downtube storage isn’t as generous as on the Stumpy, but with an extra tool pouch you could easily crame more stuff into the undercarriage.
Downtube storage includes two small bags for organising and stowing essentials
Our only real criticism of the Slash then, is that there’s quite a bit of chain noise. So if you have the legs to push a 32t chainring this would provide some extra clearance between the upper run of the chain and the chainstay. Failing that, you could stick with the stock 30t chainring as add additional rubber protection to key areas of the stays.
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For an enduro bike with progressive geometry, the Trek Slash 9.8 XT is incredibly versatile. Get on the gas and it responds with a sense of urgency that’s usually reserved for shorter travel bikes. Land deep of a drop, or jump, however, and the rear suspension graces you with a featherlight landing. Cool and composed in every situation the Trek Slash is not the outright plushed bike we’ve ever tested, but the suspension response is always proportional and measured, so you never feel under or over-biked. It’s what makes the Slash the ideal choice for anyone looking for that one do-it-all ride.
Trek Slash 8 2022
About the Trek Slash 8 2022
The Trek Slash 8 2022 is a Full suspension Enduro Mountain Bike with a alloy frame. Equipped with a SRAM GX Eagle drivetrain of 12 gears (1x12). Its features include internal routing, dropper seatpost, and boost 110 . The bike weighs approximately 15,04 kg.
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Is Trek Slash 9.8 GX Worth Buying? [Trek Slash 9.8 GX review]
Table of Contents
Trek Slash 9.8 GX
- Price: $7,899
- Travel: 160mm (rear), 170mm (front)
- Wheels: 29″ carbon
- Drivetrain: 1×12
What we love about it: A mid- to long-distance cross-country bike that’s all carbon brazed, powerful and quick to ride.
What we don’t like about it : The prominence of descending ability overshadows the superior performance of climbing.
The Trek slash 9.8 is a mid- to long-distance trail bike designed for all-mountain terrain. When you see this bike in action, you’ll be amazed by its tall wheels, which make it look a little sturdy. But the fact is that in the process of riding, you will find that it is like a galloping horse that shuttles between the mountains and forests.
And amazingly, it can also help riders race against the clock in enduro races on rough roads, and achieve the best performance even in the face of high-challenging professional routes. An upgraded carbon fiber frame leads the Trek slash 9.8 to absorb more shock and vibration, while making the leaps easier.
In Bike Radar / MBUK’s competitive Enduro Bike category, the Slash Series has been named the Best Enduro Bike! The editor’s evaluation is: “Balance between entertainment and dynamic, can easily cope with any situation!”
Next, let’s analyze Trek slash 9.8’s performance, key features, components, and specs, as well as a detailed review of other versions in the other series.
Learn more: Trek Procaliber 9.7 Review: How Does It Perform On The Field?
For the Trek slash 9.8, I would have preferred it to have a very big advantage in descending. In the terrain of trail cross-country, the professional ability of the rider is most tested, and the more thrilling is the rapid dive and descent.
Because of the wetness of the forest, the tangled roots are exposed on the surface all year round and become very slippery, not to mention the large amount of rocks exposed on the surface.
If you are riding a very compact cross-country bike, you will understand the test of this kind of terrain, the extreme vibration can make you unable to hold the bike at all, and the rigid body can make you unable to withstand the continuous blow.
Advantages of Trek slash 9.8
With this in mind, the Trek slash 9.8 geometry is longer, lower and more slack. The detachable Knock Block has a larger steering angle for maximum safety in all sharp and steep cornering situations, while also keeping those delicate cables and hoses safe.
It can effectively absorb the shock from the outside, and it is stable enough when going up and down steep slopes. And the tall wheels with very strong grip also exert their own strength at this time. I think all the components of this bike work hard to get the rider through tougher terrain.
The travel design of the suspension is very thoughtful. The combination of 160mm in the rear and 170mm in the front can also provide better shock absorption when you are driving on rough terrain. And with ultra-sturdy RockShox ZEB Select+ fork struts, this will give you confidence in challenging tougher, higher-height terrain.
Of course, here I will also introduce one of my favorite components: the thru shaft shock absorber of the same brand, this shock absorber can feel agile for even smaller vibrations.
During normal off-road bike riding, there will be a delayed response to ground feedback. This delayed response can take a big hit on the shock of the ride, but the Trek slash 9.8 uses this technology to keep you moderately close to the ground on rough mountain roads, effectively avoiding stalls and bouncing, and staying on track , and finally reach the finish line without falling behind.
If you pay attention to the fashion trends in recent years, you will be surprised by the unique frame texture of the Trek slash 9.8, because it uses taller 29” tires. You know, many models are now more biased in the choice of tire size 27.5″. So by comparison, the Trek slash 9.8 is like a real tough guy.
You’ll find what I call this sturdy personality when you’re riding a challenging stretch of trail. Fitted Bontrager Line Elite 30 29″ tubeless tires allow you to reach the finish line more easily because of the superiority of the rolling height.
On some wet, lush, forested tracks, you should be very impressed with the steep and smooth rocky uphills. In terms of grip and friction, the 29×2.40″ aramid-covered tires have been my biggest boost.
When I was racing upwards, especially when I encountered a platform with a sudden height, a good powertrain was an essential power. The SRAM GX Eagle 1×12 drivetrain did a good job of helping me with sudden acceleration, just had to choose to tune to the highest standard. In terms of sensitivity, I think it can also meet the standard very well.
After doing a very high and fancy air roll, a violent landing will mean that the impact on the body will reach a very big test. The Trek slash 9.8’s longer 170mm can absorb the larger squeeze from the ground first, so you can always control the bike.
In terms of the material selection of the body, Trek slash 9.8 uses the OCLV mountain carbon fiber main frame. The advantage of this material is that it is lighter and stronger than ordinary carbon fiber frames. For a long time, people have been arguing about alloy frames and carbon fiber frames, nothing more than that alloy frames will be more suitable for rough environments.
However, with the upgrade of technology, the use of OCLV mountain carbon fiber material can also actively face the unknown environment in the wild, and has a good performance in resisting ultraviolet rays and splashing stones on some gravel roads. However, there is also an unavoidable disadvantage, that is, the price will be relatively expensive.
Like I mentioned earlier the Trek slash 9.8 geometry is longer, lower and more slack, so for me, I can stay in this cockpit comfortably and enjoy the ride.
Carrying water and tools as well as some energy supplements is essential for long drives. The design of the Trek slash 9.8 is very thoughtful. It is hard to imagine that a full-sized water bottle can be installed in a small space, which can allow you to ride at least 30 minutes more.
At the same time, I also tried the internal storage compartment, and the capacity was equally astonishing. In the handling of some details, such as the knock black, this design prevents the pipes and hoses from being dragged around in the bumps during high-speed riding.
At the same time, a full-length downtube guard effectively protects the frame from rock damage. In the process of my rapid descent, or on the way to accelerate the sprint, there are always some bumps in the rock. However, with this setup, I was able to ride with more focus.
The moderate 64.1-degree head tube angle minimizes the impact on the difficulty of climbing or descending. At the same time, it also provides a relatively faster assist in the speed of descent.
Trek Slash is an endurance mountain bike. When you are going through a long climbing ride that tests your endurance and physical strength, I think the loose and near-vertical 75.6-degree seat tube angle can help you to be more stable and comfortable. Avoiding muscle discomfort is an essential advantage for endurance-testing riders. At the same time, the Trek Slash has been balanced in terms of efficiency, and I think it can be called a car with amazing speed and power.
Components and Specifications
Thru shaft air shock.
I’m totally invulnerable to new technology, and I can’t wait to hear about Thru Shaft air shocks. Therefore, during the test, I deliberately chose a section of descending mountainous terrain with very rocky bumps, just to see if it could respond quickly to constant vibrations.
During the ride I felt like Thru Shaft understood my riding needs and the trail conditions. As it works, this low-speed adjuster can counteract the rider’s pedaling input without compromising the high-speed thrills of rough terrain.
An enduro shock built for the perfect enduro mountain bike, I think. I completely surrendered to the charm it gave me, and at least made me tackle the raised terrain intimidated.
RockShox Super Deluxe Ultimate Rear Suspension
The rear shock of the Trek slash 9.8, the RockShox Super Deluxe Ultimate, can be said to be a complete change in the design of the rear shock. From the consideration of riding, the first consideration is performance, abandoning all previous constraints. The friction of riding bumps can be improved to the greatest extent, so that the bicycle can understand the road more clearly and face the pressure of impact more calmly.
The RockShox Super Deluxe Ultimate delivered unrivaled grip when I was climbing some climbs and tuned the bike to high geometry mode and had the freedom to tackle new challenges on the trails. It even enhances the Trek slash 9.8’s slack and tall frame to some extent.
The Trek slash 9.8 has more usable travel with quicker recovery from consecutive bumps when riding into certain rocky terrain. Not only that, but the excellent rear suspension allows the wheels to grip the ground more precisely. At the same time, this more aggressive suspension system does not strike while riding, always giving the bike a smoother, more controlled ride.
SRAM GX Eagle 1×12-speed Drivetrain
When I drive the Trek slash 9.8 beast, I don’t want it to be limited in speed. For a high-speed fan like me, the SRAM GX Eagle 1×12-speed drivetrain delivers super-smooth shifts, while the easy-to-follow 1x drive is designed to be thumb-friendly. You’ll just focus on the direction of the vehicle as you ride, and not be distracted by design flaws.
At the same time, the SRAM GX Eagle1x12 has a stricter manufacturing and assembly method, which can reduce the consumption of it when you are driving at a high speed, thereby increasing its lifespan and becoming more durable. Don’t worry about a lot of maintenance later on.
SRAM Code R 4 Piston Hydraulic Disc
In the face of some unexpected and sudden drops, why do I have great confidence. In addition to being very familiar with the conditions of the track, another point is that the braking must be very agile, otherwise I have no great confidence that I will not be injured.
I really like the SRAM Code R 4-piston hydraulic disc on the Trek slash 9.8. Many of the Trek models I’ve tested have this type of hydraulic brake on it, so I know it well, and more importantly, it doesn’t weigh too much on the car.
In some conditions full of muddy roads, I will not be afraid of the pressure of the weather, providing me with efficient all-weather braking power, ensuring that I am calm in different conditions.
Other Versions of Trek slash
Trek slash 9.9 xtr.
Compared to the more expensive upgraded Trek Slash 9.9 XTR, the Trek slash 9.8 has narrower tires. The narrower wheels feel less drag and are quicker on the climbs in the riding conditions I like at high speeds.
At the same time, realize that the Trek Slash itself is a large-frame model, and the handling of its weight must be very strict. The Trek Slash 9.9 XTR has some weight gain at 13.9 kg. By design, it’s understandable that a full-suspension model can’t be as light as a hardtail.
However, the Trek Slash 9.9 XTR also shares the same oclv carbon fiber frame as the Trek slash 9.8, and there is no increase in suspension travel.
Some model upgrades have been made on the brake hydraulic discs and drivetrain. Because these models are from the same brand and have the same key performance, the overall impact on the body and riding experience has not improved to a higher level, and it did not surprise me. For economic advice, I would think the Trek slash 9.8 is what you’d expect from a full-suspension model.
At the same time, in the treatment of car paint color, Trek Slash 9.9 XTR has designed several bright themes. This is also an improvement over the Trek slash 9.8, which is a relatively single color.
Learn More: Trek Slash 9.9 XTR-The All-Rounder On The Mountain
Trek Slash 7
Compared to the cheaper Trek Slash 7, the Trek slash 9.8 performs better. On the main body frame, the Trek Slash 7 uses a more affordable aluminum frame. The material of aluminum alloy will be relatively friendly to some novices, such as some professional maintenance.
But it is undeniable that in the face of long-term endurance riding or climbing, oclv mountain carbon fiber is more resistant to friction and firmness, and even in terms of weight, it will not burden the rider. This is also reflected in the difference in weight between the two.
The Trek slash 9.8 is even lighter. With the upgrade of materials, aluminum alloy materials are rarely seen on professional models, but it is undeniable that some consumers will prefer this material, after all, it has an advantage in cost performance.
Learn More: Trek Slash 7 –Full Suspension Endurance Race Bike
What do we like about it?
- Professional oclv carbon fiber material, allowing you to achieve the best balance between firmness and lightness.
- 1×12-speed drivetrain for super smooth shifting and more freedom of speed selection.
- Thru Shaft Air Shock makes the perfect all-around shock for enduro mountain bikes.
- 29” tall tires have excellent rolling ability and greater traction.
- SRAM Code R 4-piston hydraulic disc brakes are more sensitive and more confident in the face of challenges.
- Fully equipped built-in storage device and water bottle holder make riding more fun.
What do we not like about it?
- High-end component specifications make the price relatively high.
- Maintenance needs to be more careful.
- Tall and powerful character will make people of small size prohibitive.
- What is the body weight of the Trek slash 9.8 GX?
The M model of the Trek slash 9.8 GX is 14.42 kg / 31.8 lbs.
- What is the travel of the suspension on the Trek slash 9.8?
Trek slash 9.8 front suspension travel is 160mm rear and 170mm front.
- What is the Trek slash 9.8 drivetrain?
The Trek slash 9.8 drivetrain is a SRAM GX Eagle 1×12-speed drivetrain.
Trek slash 9.8 GX Specs
Santa cruz nomad x01 axs vs trek slash 9.8 gx.
When we compare the differences between the Santa Cruz NOMAD X01 AXS and the Trek slash 9.8, it becomes clear that the Santa Cruz NOMAD X01 AXS does not have a relatively friendly price. Although they have hydraulic disc brakes with the same stopping power, they also have a 1×12 drivetrain with the same range of options.
In terms of suspension travel, I have to say that the Trek slash 9.8 has a more inclusive design concept, and the consideration will be more complete and thoughtful. The travel of the rear is 160mm and the front is 170mm has a higher adaptability for climbing or descending.
The Santa Cruz NOMAD X01 AXS has a very long 170mm of travel consistently across the board, which I think is more beneficial for some gentler terrain. There is also an interesting difference, the Santa Cruz NOMAD X01 AXS uses electronic shifting on the drivetrain, which means it will reduce manual fun while increasing sensitivity. So I guess that has a good explanation for why it’s more expensive.
I would personally prefer a more traditional ride, and if I had to give you a choice suggestion, I would prefer the Trek slash 9.8. It is more tolerant of riders, whether you are a seasoned veteran or a rookie with little experience.
Learn More: Santa Cruz NOMAD X01 Review – The Limits Of Man And Bike
Pivot Switchblade Ride GX/X01 vs Trek slash 9.8
If you are interested in the Trek slash 9.8, then you will definitely pay attention to the Pivot Switchblade Ride GX/X01, and the price of the two is basically the same. Compared with the key data, I think Trek slash 9.8 will do better in terms of design concept.
In contrast, the Pivot Switchblade Ride GX/X01 is quite satisfactory. I’m not sure about some of the constant bumps in the ultra-enduro, and how well it handles the big shocks. The solutions I wanted to know didn’t make me see clearly, and they lacked the surprise that caught my eye.
So, from the fun and experience of my riding, I would choose the Trek slash 9.8.
Learn more : Is Pivot Mach 5.5 Carbon Race X01 Splendid? – [Pivot Mach 5.5 Carbon Race X01 Review]
Yeti SB150 C1 vs Trek slash 9.8
Compared to the Trek slash 9.8 with longer rear travel, the Yeti SB150 C1 has the same front travel. This means that the Yeti SB150 C1’s shorter rear travel may not perform as well as the Trek slash in certain terrains. For example, there are some big bumps in the middle of a fast climb.
Compared with the material of Yeti SB150 C1, the oclv carbon fiber material of Trek slash 9.8 is also more targeted, which will give consumers more confidence in their choice. In terms of the geometric design of the body, I think the rear shock absorber of the Trek slash 9.8 can exert more telescopic performance. In comparison, the Yeti SB150 C1 will look relatively cramped.
Although the price is very similar, in terms of the superior performance of some components, I think the Yeti SB150 C1 is too monotonous, which is also lacking for riders in terms of riding fun. All in all, Trek slash 9.8 surprised me even more.
Specialized Turbo Levo Comp Alloy vs Trek slash 9.8
With the development of the times, electric vehicles are also a trend. The Specialized Turbo Levo Comp Alloy isn’t really expensive, after all, there are a lot of electrical components that make up a large portion of the price.
Secondly, the weight of the aluminum frame used is not comparable to the oclv carbon fiber material of the Trek slash 9.8. Compare the key components. For example, the travel of the suspension, compared to the Trek slash 9.8, is much shorter (150mm rear, 160mm front).
Considering the electric energy, there is also a more concerned issue, that is, the maintenance and charging of the battery. If you’re a rider who doesn’t like to pay attention to this issue, the battery will cause you a little trouble.
Of course, the Specialized Turbo Levo Comp Alloy is also more novice friendly due to the use of electricity.
In summary, it must be said that if you are a traditional rider like me, then this car may not bring you the satisfaction of sports. A considerable part of its performance and components are consistent with ordinary off-road bikes.
In case, the above comments are helpful to you, please remember to share the subscription. Have a great day!
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Trek Slash 7
- AUS $ NZD $ USD $ CAD $ GBP £ EUR €
Size / 15.5" High, 15.5" Low, 17.5" High, 17.5" Low, 18.5" High, 18.5" Low, 19.5" High, 19.5" Low, 21.5" High, 21.5" Low
At a glance
Where to buy.
- Frame Alpha Platinum Aluminium, internal storage, tapered head tube, Knock Block 2.0, Control Freak internal routing, down tube guard, shuttle guard, threaded BB, ISCG 05, 34.9 mm seat tube, magnesium rocker link, Mino Link, ABP, Boost148, 160 mm travel
- Fork RockShox Yari RC, RockShox Yari RC, DebonAir spring, Motion Control RC damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 170 mm travel
- Shock RockShox Deluxe Select+, DebonAir spring, Select+ RL damper, 230x62.5 mm
- Hubs Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle
- Wheels Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle
- Wheel Size 29"
- Tires Bontrager XR5 Team Issue, Tubeless Ready, aramid bead, 120 tpi, 29x2.50"
- Chain Shimano Deore, Shimano Deore M6100, 12-speed
- Crank Shimano Deore, Shimano Deore M6120, 30T ring, 55 mm chainline, 170 mm length
- Bottom Bracket Shimano SM-BB52, 73 mm, threaded external bearing
- Rear Derailleur Shimano XT, Shimano XT M8100, long cage, 51T max cog
- Shifters Shimano SLX, Shimano SLX M7100, 12-speed
- Brakeset Shimano , Shimano 4-piston hydraulic disc, MT4100 lever, MT420 calliper
- Handlebar Bontrager Line, alloy, 35 mm, 27.5 mm rise, 820 mm width
- Saddle Bontrager Arvada, hollow chromoly rails, 138 mm width
- Seatpost Size: S, TranzX JD-YSI-22PLQ, 100 mm travel, internal routing, 34.9 mm, 346 mm length; Size: M, ML, TranzX JD-YSI-22PLQ, 150 mm travel, internal routing, 34.9 mm, 454 mm length; Size: L, XL, TranzX JD-YSI-22PLQ, 170 mm travel, internal routing, 34.9 mm, 497 mm length
- Stem Bontrager Elite, 35 mm, 0-degree, 35 mm length
- Grips Bontrager XR Trail Elite, nylon lock-on
Q: Where to buy a 2022 Trek Slash 7?
The 2022 Trek Slash 7 may be purchased directly from Trek .
Q: What size wheels does the 2022 Trek Slash 7 have?
The 2022 Trek Slash 7 has 29" wheels.
Q: What size 2022 Trek Slash 7 should I get?
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Trek Slash 9.8 XT 2022
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Winner - Mountain Bike category
"The combination of high-end performance with individuality and user-friendliness in the thought-through package delighted the entire jury."
"Feels exactly right"
"The Slash has a big-bike feel that makes it easier to charge into an unfamiliar trail, while retaining enough maneuverability to prevent it from feeling like overkill on mellower trails."
Enduro Bike of the Year
Once the dust had settled, it was the Slash that managed to edge its way into the lead. Its ability to tackle the wildest terrain without flinching yet all the while retaining that reactive, lively feel really won us over.
"A hell of a bike"
"Slash is great on rough, bermed corners and it has been an absolute monster riding steeps. This is an easy bike to ride and everything felt very natural from the first drop in and I haven't looked back since."
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Trek Slash 9.8 GX AXS Review
- climbing ace
- 25 years warranty
- with 14,6 kg lighter than comparable bikes
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OVERALL BIKE CHECK
The most importanten ratings of the Slash 9.8 GX AXS ⬤ in comparison to the competitor bikes of following categorie: (Enduro up to 8000 €) ⬤ .
VALUE for MONEY CHECK
If you are keen on value for money, this is your chart. It shows you at a glance how many bike you get for 7899 €.
Expirience with the Trek Slash 9.8 GX AXS
Trek slash 9.8 gx axs vs specialized stumpjumper evo expert.
Je steiler der Winkel des Sitzrohrs ist, desto effizienter können Sie in die Pedale treten.
- Frame Slash Carbon
- Frame Material Carbon
- Fork RockShox ZEB Select+, DebonAir spring, Charger 2.1 RC damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 170mm travel
- Spring Unit air
- Remote-Lockout no
- Damper NEW RockShox Super Deluxe Ultimate, DebonAir spring, Thru Shaft 3-position damper, 230x62.5mm
- Gearrange 520%
- Drivetrain 1x12
- Gear Lever SRAM GX Eagle AXS, 12 speed
- Rear Derailleur SRAM GX Eagle AXS
- Crank SRAM GX Eagle, DUB MTB Wide, 30T, 55mm chainline, 170 length
- Cassette SRAM Eagle XG-1275, 10-52, 12 speed
- Chain SRAM GX Eagle, 12 speed
- Brake Set SRAM Code R 4-piston hydraulic disc
- Brake Rotors 200/180
- Wheel Set Bontrager Line Elite 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
- Tires Front Size: S, M, ML, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''; Size: S, M, ML, L, XL, Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
- Tires Rear Size: S, M, ML, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''; Size: S, M, ML, L, XL, Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50''
- Saddle Bontrager Arvada, austenite rails, 138mm width
- Seat Post Size: S, Bontrager Line Elite Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 345mm length; Size: M, ML, Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length; Size: L, Bontrager Line Elite Dropper, 170mm tr
- Handle Bar Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width
- Handle Bar Width 820
- Head Set Knock Block 2 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
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