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2024 Trek

Slash 9.8 XT Gen 6

A 29″ / 27.5″ carbon frame full suspension enduro bike with high-end components.
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Manufacturer Price

$7,399
Weight34.9 lbs  
FrameCarbon
SuspensionFull, 170 / 170mm
ForkRockShox ZEB Select+
ShockRockShox Vivid Select+
Wheels29″ / 27.5″ Carbon
Drivetrain1 × 12
GroupsetXT
BrakesShimano XT Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Slash 9.8 XT Gen 6
Other Enduro bikes
Gearing

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.

Lowest gear

(climbing)

25 mph

Slash 9.8 XT Gen 6

26 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Slash model range

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Price History
Reviews

Summary

The Trek Slash is a versatile downhill bike praised for its intuitive handling, plush suspension, and aggressive climbing capability. It excels in rough terrain with a high-pivot suspension system that enhances ride quality and traction. While it's not the lightest bike and some stock components underperform, its adjustability and durability make it a favorite for enduro and park riding.

Pros
  • Intuitive and easy to ride

  • Plush & well-controlled suspension

  • Aggressive climbing capability

  • High-pivot suspension linkage improves ride quality

  • Versatile for enduro racing, backcountry exploration, or park riding

Cons
  • Not the lightest bike

  • Some stock components underperform

  • High-pivot suspension less efficient uphill

  • Bontrager tires prone to punctures

  • SRAM Transmission derailleur issues

Key Quotes
The Slash is still the bike I want to be on for big moves and unfamiliar trails.
BIKE Magazine logoBIKE Magazine
The new Slash is buttery smooth, yet offers a surprisingly poppy ride and still climbs as aggressively as their ABP bikes.
Bikerumor logoBikerumor
The Trek Slash is an insanely good descending bike.
Flow Mountain Bike logoFlow Mountain Bike

Feedback?

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Pinkbike
Review: Trek's 2025 Slash+ 9.9 is a Ridiculously Good Descender

Jan 2025 · Dario DiGiulio

The Slash+ is the first eMTB I've ridden that regularly tempts me away from my pedal bikes, thanks to its massive battery range and confidence-inspiring downhill performance.

Highs
  • Top-notch descending performance

  • Best in class battery range

  • Could be your only bike

Lows
  • Limited size range

  • Build kits should be better for the price

Read Review

NSMB
The new Trek Slash+

Jul 2024

Trek's well-loved enduro bike gets a motor. The Slash+ now has a TQ HRP50 motor and a 560Wh battery.

Highs
  • TQ motor is quiet and natural power delivery

  • High pivot setup great for steep, chunky terrain

  • Suspension (ZEB/Vivid Air) active and supportive

  • Bontrager wheels reliable

  • SRAM Maven brakes powerful

  • X0 AXS Transmission excellent

Lows
  • Bontrager SE5/SE6 tires prone to flats and poor in wet

  • Bits tool rattles and hard to remove

  • AXS Reverb dropper only 170mm drop

  • High price

  • No ML size

  • Rim strip makes tire changes a chore

Read Review

Enduro Mountainbike Magazine
Trek Slash 9.8 XT – In our big 2024 enduro comparison test

Jul 2024 · Benedikt Schmidt

How did the Trek Slash 9.8 XT fare against the competition in our big 2024 enduro comparison test? Read the full review to find out!

Highs
  • Excellent composure on the trail

  • Clever detail solutions

  • Intuitive handling

Lows
  • Not very agile

  • Loud downhill

Read Review

Bike Perfect
Trek Slash 9.9 Gen 6 review – a high pivot and idler suspension design, plus a completely new chassis

Jun 2024 · Mick Kirkman

With 170mm travel and a complex high pivot layout with upper idler wheel and lower guide, Trek’s new Slash prioritizes bump swallowing and DH capability without sacrificing the ability to be a sorted enduro all-rounder

Highs
  • Smooth, calm and balanced ride

  • Whether pedaling or pushing into the suspension for extra terrain speed, the Slash offers great support

  • Big idler and guide wheels pedal really smoothly

  • Nimble and maneuverable

  • Great chassis feel and tidy finish and details with plenty of adjustability

  • Very quiet and well protected

Lows
  • High RRP

  • Drivetrain complexity introduces some potential issues

  • Own brand Bontrager wheels and tires wouldn’t be my choice

  • Doesn’t roll as fast as some 29-er enduro bikes

  • Reverb dropper won’t be long enough for taller riders

  • No classic, completely bump-erasing, glued-to-the-floor feel of a high pivot

Read Review

Mountain Bike Action
TREK SLASH GEN 6 REVIEW - A GENERATIONALLY DEFINED TWO-WHEELED ENDURO MARVEL - Mountain Bike Action Magazine

May 2024 · Nelson

Our feelings about the Gen 6 Slash may be mixed, but the good outweighs the bad, and we were able to get past the inconveniences.

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BIKE Magazine
Tested: Trek Slash 9 Gen 6

Mar 2024

A great excuse to make poor choices

Read Review

Loam Wolf
Review: Trek Slash 9.9 X0 Gen 6

Jan 2024 · Drew Rohde

If you prioritize DH capabilities over all else and want a bike that will allow you to ride faster and send it deeper, the Trek Slash is a serious contender.

Read Review

Bikerumor
The New Trek Slash 9.9 Plows As Expected, But Pedals and Pops Too!

Jan 2024 · Steve Fisher

Trek gives the 2024 Slash a high-pivot linkage with 170mm travel and mixed wheels, making a capable and well-rounded long-travel bike.

Read Review

Geometry
Specs
Build
Frame

OCLV Mountain Carbon, high main pivot, idler pulley, internal storage, angle-adjust headset, adjustable leverage rate, integrated frame protection, internal routing, alloy rocker link, ISCG 05, Active Braking Pivot, UDH, 148x12 mm thru axle, 170 mm travel

BB StandardBSA, 73mm, Threaded

Hanger StandardUDH

Tire Clearance2.5"

ColorDaintree

Fork

RockShox ZEB Select+, DebonAir spring, Charger 3 RC2 damper, tapered steerer, 44 mm offset, Boost110, Maxle Stealth, 170 mm travel

Travel170mm

Spring TypeAir

Shock

RockShox Vivid Select+, 230 mm x 65 mm

Travel170mm

Bottom Bracket

Shimano BB-MT501 BSA

Headset

Integrated cartridge bearing, 1-1/8'' top, 1.5'' bottom, angle adjust cup compatible

Stem

Bontrager Line Pro, 35 mm, Blendr-compatible, 0-degree, 35 mm length

Handlebar

Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 820 mm width

Saddle

Bontrager Arvada, austenite rails, 138 mm width

Seatpost

Bontrager Dropper Seatpost Line Elite Oversized 34.9mm Diameter 100mm Travel - S : Bontrager Line Elite Dropper, 100 mm travel, MaxFlow, internal routing, 34.9 mm, 345 mm length; M, ML: Bontrager Line Elite Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 485 mm length; L, XL: Bontrager Line Elite Dropper, 200 mm travel, MaxFlow, internal routing, 34.9 mm, 550 mm length

TypeDropper

Grips

Bontrager XR Trail Pro, alloy lock-on

Groupset
Rear Derailleur

Shimano XT M8100, long cage

Crank

Shimano XT M8120, 30T alloy ring, 55 mm chainline, 165 mm length

Shifters

Shimano XT M8100, 12-speed

Cassette

Shimano XT M8100, 10-51, 12-speed

Chain

Shimano Ultegra/XT M8100

Brakes

Shimano XT M8120 4-piston hydraulic disc

TypeShimano XT Hydraulic Disc

Wheels
Rims

Bontrager Line Elite 30, Tubeless-Ready

Front Hub

Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle

Tires

Bontrager SE5 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 27.5x2.50'' - S , M, ML, L, XL: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 27.5 x 2.50"; M, ML, L, XL: Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"

Disc Rotors

Shimano RT86, 6-bolt, 203 mm

Accessories
Fenders

Trek 27.5" custom fender

Rider Notes
Riders Also Viewed

First added September 7

Last updated June 23