Slash 9.8 29
A 29″ carbon frame full suspension enduro bike with high-end components.
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Manufacturer Price
€5,799($6,372)Weight | 29.0 lbs |
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Frame | Carbon |
Suspension | Full, 150 / 160mm |
Fork | RockShox Lyrik Select |
Shock | RockShox Deluxe RT3 |
Wheels | 29″ Carbon |
Drivetrain | 1 × 12 |
Groupset | GX Eagle, Truvativ Descendant |
Brakes | Hydraulic Disc |
Seatpost | Dropper |
For This Bike
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
Feb 2021
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
Easy setup
Awesome aggro geometry
Precision accuracy
High control cockpit
Internal storage
Efficient pedaling
Threaded BB
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
Dec 2020 · Mike Wirth
The new Trek Slash 9.9 X01 sees many updates making it an even more capable all-mountain, enduro mountain bike. See how it performed.
Dec 2020 · Mike Kazimer
The Slash received multiple updates for 2021, but it's still an enduro race machine at heart.
Light and stiff frame – encourages you to go fast
Great shock tune
In-frame storage
Wide range of available frame size options
Seat tube angle could still be a bit steeper
Shorter cranks and an even longer dropper post would have been nice to see
Oct 2020 · Spencer Johnson
The venerable Trek Slash is back for 2021, armed with more suspension travel than ever before. The new Trek Slash 9.9 X01 comes equipped with the ever-capable, 170-millimeter RockShox ZEB Ultimate fork and a custom, 160-millimeter RockShox Super Deluxe Ultimate shock, placing it squarely in the hard-charging enduro category. For me, one of the most welcome updates for the new Slash is the seat angle, which has been steepened to 75.6 degrees, putting the rider’s weight directly between the wheels—and making for a much more comfortable seated position while climbing. The relatively long reach of 486 millimeters, together with the mid-length chainstay of 437 millimeters, creates a bike that stays firmly planted while you sweat your way to the top of a mountain. But the most impressive feature of the new Slash is its impressively light weight—something I wouldn’t automatically expect from a bike in the longer-travel range, especially one with 29-inch wheels. The lightweight frame construction and ultra-light build of the 9.9 X01 version I tested was noticeable from the moment I started huffing up my first climb.
Sep 2020
Trek redesigns the Slash for 2021, going longer, lower and slacker to make a mean enduro machine with a few tricks up its sleeve.
Sep 2020
After making an unofficial appearance last weekend at the Enduro World Series event in Zermatt, Switzerland, the latest incarnation of the Trek Slash was officially unveiled Wednesday. On paper, the new 29er rock smasher looks to be more capable than its predecessor, boasting a bump in rear suspension travel from 150 mm rear/160 mm front to 160 mm/170 mm.
Frame | OCLV Mountain Carbon main frame and stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 150 mm travel BB Standard: BB86/BB92, Press Fit Tire Clearance: 2.6" Colors: Matte Carbon / Voodoo Trek Black; Cobra Blood to Magenta Flip; Purple Phaze/ Raw Carbon |
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Fork | RockShox Lyrik Select Plus, DebonAir spring, Charger 2 RC damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel Travel: 160mm Spring Type: Air |
Shock | RockShox Deluxe RT3, DebonAir spring, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 230x57.5 mm Travel: 150mm Spring Type: Air |
Bottom Bracket | SRAM DUB, 92 mm, PressFit |
Stem | Bontrager Line Pro, 35 mm, Knock Block, 0-degree, 50 mm length |
Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width |
Saddle | Bontrager Arvada, austenite rails, 138 mm width |
Seatpost | Size: S, Bontrager Line Elite Dropper, 100 mm travel, internal routing, 31.6 mm, 340 mm length; Size: M, Bontrager Line Elite Dropper, 130mm travel, internal routing, 31.6 mm, 400mm length; Size: L, Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length; Size: XL, Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6 mm, 480mm length Type: Dropper |
Grips | Bontrager XR Trail Elite, alloy lock-on |
Rear Derailleur | SRAM GX Eagle |
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Crank | Size: S, Truvativ Descendant 7k Eagle, DUB, 32T alloy ring, Boost, 170 mm length; Size: M, L, XL, Truvativ Descendant 7k Eagle, DUB, 32T alloy ring, Boost, 175 mm length |
Shifters | SRAM GX Eagle, 12-speed |
Cassette | SRAM XG-1275 Eagle, 10-50, 12-speed |
Chain | SRAM GX Eagle, 12-speed |
Brakes | SRAM G2 RSC hydraulic disc Type: Hydraulic Disc |
Rims | Bontrager Line Carbon 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle |
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Tires | Size: S, M, L, XL, Bontrager SE4 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29x2.40"; Size: S, M, L, XL, Bontrager SE4 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 60 tpi, 29x2.40"; Size: S, M, L, XL, Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29x2.60" |
Disc Rotors | Size: S, M, L, XL, SRAM CenterLine, 6-bolt, round edge, 180 mm; Size: S, M, L, XL, SRAM CenterLine, 6-bolt, round edge, 200 mm |
Last updated April 16
Not listed for 1,121 days