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2025 Trek

Slash+ 9.7 SLX/XT

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

$5,199$7,999
Weight44.9 lbs  
FrameCarbon
SuspensionFull, 170 / 170mm
ForkFox Float 38
ShockFox Float X Performance
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 12
GroupsetXT
MotorTQ 250W 50Nm mid-drive
BatteryTQ 580Wh
BrakesShimano Deore Hydraulic Disc
SeatpostDropper
View on trekbikes.comLearn about Trek
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Slash+ 9.7 SLX/XT
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)

26 mph

Slash+ 9.7 SLX/XT

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

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

Sizing
15.5"

5'1" – 5'6"

17.5"

5'4" – 5'11"

19.5"

5'9" – 6'3"

21.5"

6'1" – 6'5"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Price History
Reviews

Summary

The Trek Slash+ is a high-performance enduro eMTB designed for aggressive descents, featuring a high pivot suspension linkage for smooth handling and a TQ HPR50 motor with a new 580Wh battery for extended range. It offers excellent downhill performance, intuitive handling, and a quiet, natural motor support, making it a top choice for riders prioritizing descents. However, it comes with a premium price tag and lacks in-frame storage due to battery placement.

Pros
  • High pivot suspension linkage for smooth descents

  • TQ HPR50 motor with 50Nm of torque and 300W peak power

  • New 580Wh battery for extended range

  • Excellent downhill performance and intuitive handling

  • Quiet and natural motor support

Cons
  • Premium price tag

  • No in-frame storage due to battery placement

  • Higher price point for the 9.9 X0 AXS model

  • Heavy weight with limited motor assistance

  • Complex high-pivot chain routing requires more maintenance

Key Quotes
The Slash+’s high pivot suspension linkage was tuned to mimic the ride you’d get from the non-motorized Slash.
Bikerumor logoBikerumor
The Trek Slash+ is one of the best descending lightweight eMTBs on the market, running neck and neck and in some situations edging out the Kenevo SL.
Loam Wolf logoLoam Wolf
The Trek Slash+ impresses with outstanding downhill performance, intuitive handling, and its quiet TQ HPR50 motor.
Enduro Mountainbike Magazine logoEnduro Mountainbike Magazine

Feedback?

View all reviews

99 Spokes
Trek Slash+ 9.7 Review

Mar 2025

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

Highs
  • Easy to ride and surprisingly versatile for a 170 mm high pivot bike

  • Balanced suspension performance that doesn’t feel overly glued to the ground

  • Short 155 mm cranks are great for technical climbs

  • 580 Wh battery provides best in class range

Lows
  • Bontrager XR5 tires can’t keep up with the rest of the bike

  • TQ HPR-50 motor may not be powerful enough for some

Read Review

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

Enduro Mountainbike Magazine
2025 Trek Slash+ on review – A new enduro eMTB with TQ motor and big battery

Dec 2024 · Julian Schwede

The new 2025 Trek Slash+ comes equipped with a lightweight TQ motor, a new big 580 Wh battery and retails at €11,999.

Highs
  • High stability and strong sense of security

  • Intuitive handling

  • Quiet, natural motor support

  • Integrated multitool

Lows
  • Heavy weight with limited motor assistance

  • Complex high-pivot chain routing requires more maintenance

Read Review

Loam Wolf
Trek Slash+ Review | 2024 eMTB Lite Roundup

Nov 2024 · Staff

If you have steeper, faster or chunky trails that need to be tamed, the YT Decoy SN Core 2 is up for the task. Check out our review.

Read Review

Bikerumor
New Trek Slash+ Adds TQ Motor with Bigger Battery to Heavy-Hitting Enduro eBike

Jul 2024 · Steve Fisher

Trek announces the Slash+, a mid-powered eMTB version of the Slash enduro bike built to crush gnarly descents all day long!

Read Review

EMTB Forums
Long travel, long range – the 2025 Trek Slash+ is here

Jul 2024 · Knut Nes

The new electric Trek Slash+ has 170 mm suspension travel, a 29er wheel up front and a 27.5 at the back. It’s designed as a mullet bike strictly, there is no room for a 29” rear wheel. The exception is the size small frame, it has 27.5” wheels at...

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 HPR50 motor is quiet and natural power delivery

  • High pivot platform with excellent traction and control

  • Adjustable geometry (angle adjust cups, shock eyelet positions)

  • Size-specific chainstay lengths

  • Good suspension setup (ZEB Ultimate and Vivid Air)

  • SRAM Maven brakes have plenty of power

  • X0 AXS Transmission performs excellently

  • Bontrager wheels durable except rim strip

  • Mid-power motor offers natural pedaling feel

  • Versatile: works in steep terrain and mellower trails

Lows
  • Bontrager SE5 rear tire prone to flats, especially in wet conditions

  • Reverb dropper only 170mm drop, outdated

  • Bits tool rattles and hard to remove

  • Tire changes difficult due to rim strip

  • Maven brakes lack modulation and have heavy lever feel

  • High price point

Read Review

Geometry
Specs
Build
Frame

OCLV Mountain Carbon, removable battery, high main pivot, idler pulley, angle-adjust headset, adjustable leverage rate, integrated frame protection, internal routing, alloy rocker link, upper chain guide mount, 55mm chainline, ABP, UDH, 148x12mm thru axle, 170mm travel

Hanger StandardUDH

Tire Clearance2.5"

ColorOlive Drab

Fork

Fox Rhythm 38, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt X axle, 170mm travel

Travel170mm

Spring TypeAir

Shock

Fox Performance Float X, 2-position damper, 230mm x 65mm

Travel170mm

Headset

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

Stem

Bontrager Elite, 35mm, 0 degree, 35mm length

Handlebar

Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width

Saddle

Bontrager Verse P3, chromoly rails

Seatpost

Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length - S: Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length; M, L, XL: Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length

TypeDropper

Grips

Bontrager XR Trail Elite, nylon lock-on

Groupset
Rear Derailleur

Shimano XT M8100, long cage

Crank

E*thirteen E*spec, 32T alloy ring, 55mm chainline

Shifters

Shimano XT M8100, 12 speed

Cassette

Shimano SLX M7100, 10-51T, 12 speed

Chain

Shimano SLX M7100, 12-speed

Brakes

Shimano 4-piston hydraulic disc, M6100 lever, M6120 caliper

TypeShimano Deore Hydraulic Disc

Wheels
Rims

Front: Bontrager Line Comp 30 TLR 6-bolt Disc, Boost, Black spokes and nipples - S: Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5''; M, L, XL: Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano Micro Spline freehub, Boost148, 12mm thru axle, 27.5''

Tires

Bontrager Tire XR5 Team Issue 27.5x2.50'' TLR - S, M, L, XL: Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5x2.50''; M, L, XL: Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50''

Disc Rotors

Shimano RT66, 6-bolt, 203mm

Electric Components
Motor

TQ-HPR50, 50 Nm, 250 watt maximum continuous rated power, 300 watt peak power

Battery

TQ 580Wh

Display

TQ LED display with Bluetooth & ANT+ connectivity

Charger

TQ 4A charger

Accessories
Fenders

Trek 27.5" custom fender

Rider Notes
Riders Also Viewed

First added July 25

Last updated May 30