Trek Rail+ 8 Gen 5 Electric Full Suspension Mountain Bike 2025 in Dark Star

It’s right for you if…

You want a bike that maximises the fun and is up for gnarly rides that get you off the grid or just hammering in an extra lap or two. You need the capability of an enduro bike for pointing it down the rough and rowdy, and love the feeling of full assist taking the sweat out of the climb back to the top for more

The tech you get

An Alpha Platinum Aluminium frame with a Bosch Performance CX system (85 Nm, 250 W) and 800 Wh Removable Integrated Battery 2.0. A 160 mm RockShox Domain RC fork with DebonAir spring, Motion Control damper and lockout, and a RockShox Deluxe Select+ RT shock. All topped off with a Shimano XT and SLX blended 12-speed drivetrain, dropper post, Bontrager Line Comp 30 Tubeless Ready wheels and 4-piston Shimano hydraulic disc brakes.

The final word

The Rail + 8 is an enduro e-MTB dialled for big adventures. It packs in capable, adjustable geometry, a massive battery and a powerful motor to get you wherever you want to go. An upgraded drivetrain balances price and performance for a ride that’s ready for anything.

Key Features & Benefits:

• Aluminium Frame:Lightweight & efficient for trail riding.
• 12-Speed SRAM AXS Transmission:Perfect for all terrain and fully wireless.
• 800 Wh Battery:Massive capacity from the 800 Wh RIB 2.0 removable integrated battery

Full Specification:

• Frame:Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle, 160 mm travel
• Rear Shock:RockShox Super Deluxe Select+ RT, 205mm x 65mm
• Fork:RockShox ZEB Select, DebonAir spring, Charger RC damper, tapered steerer, 44 mm offset, Boost110, Maxle Stealth, 170 mm travel
• Motor:Bosch Performance Line CX, 15 mph
• Controller:Bosch System Controller BRC3100, smart system
• Battery:800 Wh RIB 2.0 removable integrated battery.
• Charger:Bosch standard 4A, 230V, smart system
• Number of Gears:12
• Gear Shifters:Shimano SLX M7100, 12-speed
• Chainset:E*thirteen E*spec Plus, 160 mm length
• Chainrings:36T
• Rear Cassette:Shimano Deore M6100, 10-51, 12-speed
• Chain:Shimano SLX M7100, 12-speed
• Front Derailleur:N/A
• Rear Derailleur:Shimano XT M8100, long cage
• Bottom Bracket:.
• Pedals:Not supplied:Shop pedals here
• Rims:Bontrager Line Comp 30, Tubeless Ready, 6-bolt
• Front Hub:Size: S – Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5″, Size: M, L, XL – Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29″
• Rear Hub:Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 27.5″
• Front Tyre:Size: M, L, XL – Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29×2.50″
• Rear Tyre:Size: S, M, L, XL – Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 27.5×2.50″
• Brakes:SRAM DB 8 4-piston hydraulic disc
• Handlebars:Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
• Handlebar Grips:Bontrager XR Trail Elite, nylon lock-on
• Headset:Integrated cartridge bearing, 1-1/8″ top, 1.5″ bottom, angle adjust cup compatible
• Stem:Bontrager Elite, 35 mm, 0-degree, 45 mm length
• Saddle:Bontrager Verse P3, steel rails
• Seatpost:Size: S – Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 34.9 mm, 410 mm length, Size: M – Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 450 mm length, Size: L, XL – Bontrager Line Dropper, 200 mm travel, internal routing, 34.9 mm, 515 mm length
• Accessories:.
• Weight:M – 25.08 kg / 55.3 lbs (with TLR sealant, no tubes). This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).