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2025 Trek Rail+ 8 Gen 5 E-Bike

8 dark
8 dark
8 power
motor
chip mino
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battery
display
extender
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Trek
Where To Buy
$70 standard shipping on bikes (continental U.S. only).
$70 standard shipping on bikes (continental U.S. only).
$7,699.99
Rail+ 8 Gen 5
$7,699.99
Rail+ 9.7 Gen 5
$8,699.99
Rail+ 5 Gen 5
$6,099.99
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.

Specifications

Product
Trek Rail+ 8 Gen 5 E-Bike
Model Year
2025
Intended Use
Enduro / All-Mountain
Rider
Unisex
Sizes and Geometry
SM (High, Low)
MD (High, Low)
LG (High, Low)
XL (High, Low)
View Full Geometry
Sizes Additional Info
• SM has 27.5" wheels; MD-XL have mixed ("Mullet") wheels: 29" front, 27.5" rear
• Geometry adjustable via two-position Mino Link flip chip in seatstay/rocker link pivot
• Geometry adjustable via optional angle-adjust headset cups, for +1° and -1° head tube angle adjustments
• All specifications listed are with 160mm travel fork with 43mm offset
View Full Geometry
Wheel Size
27.5" (650b)
Mixed Wheel Size
E-Bike Class
Class 1: Pedal Assist (Pedelecs)
Motor
Bosch Performance Line CX, Smart System, 250 W power, 85 Nm max torque
Battery
Bosch PowerTube, Smart System, integrated, removable with hex key
Option: Bosch PowerMore range extender, 250 Wh
Battery Capacity
800 Wh
Display/Remote
Bosch System Controller BRC3100 top tube integrated display, Smart System, Bluetooth connectivity; Bosch Wireless Mini Remote, Smart System
Modes
Turbo, Sport/eMTB, Tour, Eco, Walk Assist
Max Speed with Assist
USA/Canada/New Zealand: 20 mph (32.2 km/h)
Other: 15.5 mph (25 km/h)
Frame Material
Aluminum
Frame Material Details
Alpha Platinum Aluminum, Motor Armor, molded chainstay and battery door protection
Rear Travel
160mm
Rear Shock
RockShox Super Deluxe Select+ RT, 205mm length x 65mm stroke
Fork
RockShox ZEB Select, DebonAir spring, Charger RC damper, 38mm stanchions, 44mm offset, Maxle Stealth thru-axle, includes RockShox mudguard/fender
Fork Travel
160mm
Head Tube Diameter
Tapered, 1.125" top, 1.8" bottom
Headset
Angle adjust, with 0° cups installed; +/-1° cups sold separately
Handlebar
Bontrager Line, alloy, 780mm width, 27.5mm rise, 35mm clamp diameter
Stem
Bontrager Elite, 45mm length, 0° rise, 35mm bar clamp
Grips
Bontrager XR Trail Comp, nylon lock-on
Brakes
SRAM DB8, 4-piston, SRAM CenterLine 200mm MICRO SPLINE rotors
Brake Levers
SRAM DB8, tooled reach adjust
Drivetrain
1x
Shifters
Shimano SLX M7100, 12-speed
Front Derailleur
None
Rear Derailleur
Shimano Deore XT M8100, 12-speed, long cage
Chainguide
Upper slider
Cranks
e*thirteen e*spec Plus Alloy, 160mm length
Chainrings
e*thirteen e*spec Plus
Pedals
VP-536 nylon platform
Chain
Shimano SLX M7100, 12-speed
Cassette
Shimano Deore M6100, 12-speed, 10-51 tooth
Rims
Bontrager Line Comp 30, 6000 series alloy, tubeless ready
Hubs
Bontrager Line Comp wheelset, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with MICRO SPLINE driver
Spokes
Bontrager Line Comp wheelset
Tires
Bontrager Brevard Pro XR, dual compound, aramid bead, 60 TPI, tubeless ready, 2.5"
Saddle
Bontrager Verse P3, steel rails
Seatpost
Bontrager Line dropper
Seatpost Diameter
34.9mm
Seatpost Clamp
Single bolt
Rear Dropout / Hub Dimensions
12mm x 148mm (Boost)
Max. Tire Size
 
Bottle Cage Mounts
One inside front triangle, plus accessory mounts under top tube
Colors
Dark Star, Powersurge
Warranty
Lifetime frame and wheels; 2 years Trek/Bontrager parts, suspension linkage components, and paint/decals
Weight
55 lb 4.7 oz (25,080 g)
Miscellaneous
• ABP (Active Braking Pivot) rear suspension design
• Removable Integrated Battery (RIB) 2.0 system
• SM has 27.5" wheels; MD-XL have mixed ("Mullet") wheels: 29" front, 27.5" rear
• Geometry adjustable via two-position Mino Link flip chip in seatstay/rocker link pivot
• Geometry adjustable via optional angle-adjust headset cups, for +1° and -1° head tube angle adjustments
• Control Freak internal cable routing
• SRAM UDH (Universal Derailleur Hanger)
• Power settings customizable, plus all-in-one navigation and activity tracking, via Bosch eBike Flow Mobile App
• Weight given for size MD set up tubeless
• Includes rear mini fender/mudguard
• Includes Bosch battery charger

Rear suspension leverage rate adjustable via flip chip at lower shock mount:
• Less progressive setting intended for a plusher feel perfect for rugged trails with square-edge bumps
• More progressive setting intended for hitting big features without bottom-out, or to run a coil shock
Price
$6,499.99
More Info

Trek Introduces the Rail Gen 5 | Full Power eMTB (press release)

2025 Trek Rail+ 9.9 X0 AXS Long-Term Review

Trek website

Review This Product
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Where To Buy
$70 standard shipping on bikes (continental U.S. only).
$70 standard shipping on bikes (continental U.S. only).
$7,699.99
Rail+ 8 Gen 5
$7,699.99
Rail+ 9.7 Gen 5
$8,699.99
Rail+ 5 Gen 5
$6,099.99
Free shipping on orders over $69 (continental U.S. only).
International shipping available. Some exclusions apply.
Free U.S. shipping on everything.
International shipping available. Some exclusions apply.
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
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