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2025 Trek

Rail+ 8 Gen 5

A 27.5″ / 29″ aluminum frame full suspension enduro e-bike with upper mid-range components.
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Manufacturer Price

$6,999
Weight55.3 lbs  
FrameAluminum
SuspensionFull, 160 / 160mm
ForkRockShox ZEB Select
ShockRockShox Super Deluxe Select
Wheels27.5″ / 29″ Aluminum
Drivetrain1 × 12
GroupsetXT, SLX
MotorBosch 600W 85Nm mid-drive
BatteryBosch 800Wh
BrakesSRAM DB8 Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Rail+ 8 Gen 5
Other Enduro bikes
Spec Level

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

Compare the full Rail+ model range

View Comparison
Sizing
15.5"

5'0" – 5'6"

17.5"

5'6" – 6'1"

19.5"

5'9" – 6'3"

21.5"

6'1" – 6'6"

🐐 Estimated

Rider Fit Notes

None yet.

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Reviews
Mountain Bike Action
Trek Rail+ Gen 5 Review: More Travel, Bigger Battery, Smarter Bosch Power - Mountain Bike Action Magazine

Nov 2025 · Ron Koch

Trek’s Rail+ Gen 5 gets more travel, a lighter Bosch Performance Line CX motor, an 800Wh battery and improved adjustability. A refined, full-power eMTB built for everyday riders.

Read Review

E-Mountainbike Magazine
New 2025 Trek Rail+ Gen5 on Test – Degraded?

May 2025 · Rudolf Fischer

The new 2025 Trek Rail+ 9.8 GX AXS T-Type Gen 5 with 160 mm travel and Bosch Performance Line CX Gen5 motor in the first test

Highs
  • Cleanly organized cockpit

  • Versatile platform with countless adjustment options

Lows
  • Cable rattling in the frame

  • Tires lack grip

Read Review

Geometry
Specs
Build
Frame

Alpha Platinum Aluminum, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9mm seat tube, ABP, UDH, Boost148, 12 mm thru axle, 160 mm travel

Hanger StandardUDH

Tire Clearance2.6"

ColorsDark Star; Powersurge

Fork

RockShox ZEB Select, DebonAir spring, Charger RC damper, tapered steerer, 44mm offset, Boost110, Maxle Stealth, 160mm travel

Travel160mm

Spring TypeAir

Shock

RockShox Super Deluxe Select RT, 205mm x 65mm

Travel160mm

Headset

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

Stem

Bontrager Elite, 35mm, 0 degree, 45mm length

Handlebar

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

Saddle

Bontrager Verse P3, steel rails

Seatpost

Size: S, Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 410mm length; Size: M, L, XL, Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length; Size: L, XL, Bontrager Line Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 515mm length

TypeDropper

Pedals

VP-536 nylon platform

Grips

Bontrager XR Trail Comp, nylon lock-on

Groupset
Rear Derailleur

Shimano XT M8100, long cage

Crank

E*thirteen E*spec Plus, 160mm length

Shifters

Shimano SLX M7100, 12 speed

Cassette

Shimano Deore M6100, 10-51, 12 speed

Chain

Shimano SLX M7100, 12 speed

Brakes

SRAM DB 8 4-piston hydraulic disc

TypeSRAM DB8 Hydraulic Disc

Wheels
Rims

Front: Size: S, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5"; Size: M, L, XL, Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29", Rear: Bontrager Line Comp 30, High Strength 6000 Series Aluminum rim, Tubeless Ready, Rapid Drive 108, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle, 27.5"

Tires

Size: S, M, L, XL, Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5x2.50"; Size: M, L, XL, Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.50"

Disc Rotors

SRAM CenterLine, 6-bolt, round edge, 200mm

Electric Components
Motor

Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC)

Battery

Bosch PowerTube 800Wh, smart system

Remote

Bosch System Controller BRC3100, smart system

Charger

Bosch standard 4A, 110V, smart system

Accessories
Fenders

Trek 27.5" custom fender

Rider Notes
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First added September 30

Last updated June 27

Not listed for 345 days