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2027 Trek Rail+ 8 Gen 5 E-Bike

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8 desert
8 lithium
motor
chip mino
chip prog
battery
kiox
remote
extender
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Related:
Trek
Where To Buy
$70 standard shipping on bikes (continental U.S. only).
$70 standard shipping on bikes (continental U.S. only).
$5,999.99
Rail+ 8 Gen 5
$5,999.99
Rail+ 5 Gen 5
$4,999.99
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
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.

Specifications

Product
Trek Rail+ 8 Gen 5 E-Bike
Model Year
2027
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 nominal power, 85 Nm max torque (upgradable to 120 Nm and 750 W peak power via update)
Battery
Bosch PowerTube, Smart System, integrated, removable with hex key
Option: Bosch PowerMore range extender, 250 Wh
Battery Capacity
800 Wh
Display/Remote
Bosch Kiox 400C display, top tube integrated, Smart System, Bluetooth connectivity, USB-C charging port; Bosch Wireless Mini Remote, Smart System
Modes
Turbo, 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, Linear XL air spring, 205mm length x 65mm stroke
Fork
RockShox Lyrik, DebonAir+ spring, Delta RC damper, 35mm 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, alloy, 35mm clamp diameter
Stem
Bontrager Elite, 45mm length, 0° rise, 35mm bar clamp
Grips
Trek Line Comp, nylon lock-on
Brakes
Shimano MT620, 4-piston
Rotors: Shimano RT66, 6-bolt, 203mm
Brake Levers
Shimano MT620
Drivetrain
1x
Shifters
SRAM Eagle 70 Transmission, 12-speed
Front Derailleur
None
Rear Derailleur
SRAM Eagle 70 Transmission, 12-speed
Chainguide
Upper slider
Cranks
FSA Alloy, 160mm length
Chainrings
SRAM Eagle Transmission
Pedals
Nylon platform
Chain
SRAM Eagle 70 Transmission Flattop, 12-speed
Cassette
SRAM Eagle Transmission XS-1270, 12-speed, 10-52 tooth
Rims
Bontrager Line 30 Alloy, 28-hole, tubeless ready
Hubs
Bontrager Alloy, sealed bearings, 15mm x 110mm (Boost) front, 12mm x 148mm (Boost) rear with Rapid Drive 108 freehub and MICRO SPLINE driver
Spokes
Bontrager Line 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, MaxFlow
Drop: 150mm (SM), 170mm (MD), 200mm (LG/XL)
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
Desert Sage/Brushed Chrome, Lithium/Gloss Black Splatter
Warranty
Lifetime frame and wheels; 2 years Trek/Bontrager parts, suspension linkage components, and paint/decals
Weight
54 lb 6.6 oz (24,680 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 guided 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 custom rear mini fender/mudguard
• Includes Bosch 4A 110V Smart System battery charger
• Includes Bontrager TLR rim strips, tubeless valves, and sealant

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
$5,999.99
More Info

Trek website

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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).
$5,999.99
Rail+ 8 Gen 5
$5,999.99
Rail+ 5 Gen 5
$4,999.99
Free shipping on orders over $50 (continental U.S. only).
International shipping available. Some exclusions apply.
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.
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