Slash 9.9 XTR
A 29″ carbon frame full suspension enduro bike with ultra high-end components.
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MSRP | $7,499 |
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Weight | 28.8 lbs |
Frame | Carbon |
Suspension | Full, 150 / 160mm |
Fork | RockShox Lyrik Ultimate |
Shock | RockShox Deluxe RT3 |
Wheels | 29″ Carbon |
Drivetrain | 1 × 12 |
Groupset | XTR |
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 was an outlier with the previous Slash when they went all-in on enduro 29. Things have changed, but the Slash stays true to its mission: Slashing.
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.
Frame | OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 150mm travel Tire Clearance: 2.6" |
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Fork | RockShox Lyrik Ultimate, DebonAir spring, Charger 2 RC2 damper, tapered steerer, 42mm offset, Boost110, 15mm Maxle Stealth, 160mm 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, 230x57.5mm Travel: 150mm Spring Type: Air |
Bottom Bracket | e*thirteen BB20-92 |
Headset | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom |
Stem | Bontrager Line Pro, 35mm, Knock Block, 0 degree, 50mm length |
Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width |
Saddle | Bontrager Arvada, austenite rails, 138mm width |
Seatpost | Size: S, Bontrager Line Elite Dropper, 100mm travel, internal routing, 31.6mm, 340mm length; Size: M, Bontrager Line Elite Dropper, 130mm travel, internal routing, 31.6mm, 400mm length; Size: XL, Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6mm, 480mm length; Size: L, Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6mm, 440mm length Type: Dropper |
Grips | Bontrager XR Trail Elite, alloy lock-on |
Rear Derailleur | Shimano XTR M9100, Shadow Plus, long cage, 51T max cog |
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Crank | Size: S, Shimano XTR M9120, 32T alloy ring, Boost (52mm chainline), 170mm length; Size: M, L, XL, Shimano XTR M9120, 32T alloy ring, Boost (52mm chainline), 175mm length |
Shifters | Shimano XTR M9100, 12 speed |
Cassette | Shimano XTR M9100, 10-51, 12 speed |
Chain | Shimano XTR M9100, 12 speed |
Brakes | Shimano XTR M9120 4-piston hydraulic disc Type: Hydraulic Disc |
Rims | Front: Bontrager Line Carbon 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, Rear: Bontrager Line Carbon 30, Tubeless Ready, 54T Rapid Drive, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle |
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Rear Hub | Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle |
Tires | 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, Shimano RT86, 180mm, 6-bolt; Size: S, M, L, XL, Shimano RT86, 203mm, 6-bolt |
Last updated July 7
Not listed for 1,381 days