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|Travel||160mm rear, 170mm front|
|Fork||RockShox ZEB Select|
|Drivetrain||1 × 12 Electronic|
|Groupset||GX Eagle AXS|
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1 × 12 — 12 speed
Slash 9.8 GX AXS
The Slash 9.8 GX AXS is easier to ride up hills than similar bikes.
The Slash 9.8 GX AXS is geared about the same as similar bikes for riding downhill.
Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more. Learn more
We caught up with Jamie Edmondson to get the details on his new Trek Slash.
The Slash 8 strikes the perfect balance between a fun and lively feel, and ultimate chaos-calming composure
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.
One Killer Enduro Machine
The brand new Trek Slash has big shoes to fill, its predecessor being one of the most popular 29er enduro bikes on the market. We were all the more excited to find out if the new bike can hold its own against the increasingly tough competition. Spoiler alert: yes, it can! But there are a few things to consider.
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.
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.
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.
BB Standard: BSA, 73mm, threaded
Tire Clearance: 2.5"
RockShox ZEB Select+, DebonAir spring, Charger 2.1 RC damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 170mm travel
NEW RockShox Super Deluxe Ultimate, DebonAir spring, Thru Shaft 3-position damper, 230x62.5mm
SRAM DUB MTB Wide, 73mm, BSA threaded
Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom
Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width
Bontrager Arvada, austenite rails, 138mm width
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 travel, MaxFlow, internal routing, 34.9mm, 485mm length; Size: XL, Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length
Bontrager XR Trail Pro, alloy lock-on
SRAM GX Eagle AXS
SRAM GX Eagle, DUB MTB Wide, 30T, 55mm chainline, 170 length
SRAM GX Eagle AXS, 12 speed
SRAM Eagle XG-1275, 10-52, 12 speed
SRAM GX Eagle, 12 speed
SRAM Code R 4-piston hydraulic disc
Bontrager Line Elite 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
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''
Size: S, M, ML, L, XL, SRAM CenterLine, 6-bolt, round edge, 180mm; Size: S, M, ML, L, XL, SRAM CenterLine, 6-bolt, round edge, 200mm