The Rail 5 625 is an electric mountain bike built for ripping the big stuff. It features the same high-end trail tech as Trek's analogue trail bikes, plus a powerful Bosch drive system that's basically like having your own shuttle.
It's right for you if...
You’re looking for an e-MTB that’s just as ready to shred as non-electric trail bikes. You want a powerful Bosch drive system that’ll propel you up climbs so you can hit lap after lap.
The tech you get:
A burly alloy frame with 150 mm of rear travel and a 625 Wh Removable Integrated Battery, an e-MTB optimised 160 mm RockShox 35 Gold RL fork, the latest from Bosch with smart system Performance Line CX capable of speeds up to 20 mph (25 km/h in Europe), including a Bluetooth® LED remote for easy connectivity and activity tracking through the eBike Flow app. Plus, a 1x12 drive train with a wide gear range so you can always find the ideal cadence for the motor, a dropper post, powerful 4-piston brakes for more downhill confidence and 29er wheels with nimble yet grippy 2.6" tyres.
The final word:
The Rail 5 625 is Trek's best-value long-travel e-MTB. It's equally as capable as their regular long-travel trail bikes, it just gets you back to the top in a flash. Plus, the bigger battery means more time on the trail.
Frame: Size: S
Alpha Platinum Aluminium, curved top tube, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel
Size: M, L, XL
Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel
Fork: RockShox 35 Gold RL, DebonAir spring, Motion Control damper, lockout, tapered steerer, 44 mm offset, oversized crown for eMTB, Boost110, 15 mm Maxle Stealth, 160 mm travel
Shock: RockShox Deluxe Select+ RT, 230 mm x 57.5 mm
Max compatible fork travel: 170 mm (580 mm axle-to-crown)
Hub front: Bontrager sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Hub rear: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Shimano 8/9/10 freehub, Boost148, 12 mm thru axle
Skewer rear: Bontrager Switch thru-axle, removable lever
Rim: Alex MD35, tubeless compatible, 32-hole, 35 mm width, Presta valve
Tyre: Bontrager XR4 Comp, wire bead, 30 tpi, 29x2.60"
Max tyre size: Frame: 29x2.60" Fork: See manufacturer
Shifter: Shimano Deore M6100, 12-speed
Rear derailleur: Shimano Deore M6100, long cage
Crank arm: E*thirteen E*spec Plus, 165 mm length
Chainring: E*thirteen E*spec, 34T alloy, 55 mm chainline
Cassette: SunRace CSMZ800 11-51, 12 speed
Chain: Shimano Deore M6100
Pedal: Wellgo VPE-536
Max. chainring size: 34T
Saddle: Bontrager Arvada, steel rails, 138 mm width
*Seatpost: Size: S
TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length
Size: M, L, XL
TranzX JD-YSP18, 130mm travel, internal routing, 31.6 mm, 425 mm length
Handlebar: Bontrager alloy, 31.8 mm, 15 mm rise, 750 mm width
Grips: Bontrager XR Trail Comp, nylon lock-on
Stem: Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0-degree, 50 mm length
*Brake: Size: S, M, L, XL
Tektro HD-M745 hydraulic disc
Size: S, M, L, XL
Tektro HD-M745 4-piston hydraulic disc
Brake rotor: Tektro, 6-bolt, 203 mm
Rotor size: Max brake rotor sizes: Front see fork manufacturer, rear 200mm
Battery: Bosch PowerTube 625Wh, smart system
Charger: Bosch standard 2A, 230V, smart system
Weight: M – 24.88 kg/54.86 lb
Weight limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.
