2025 Trek Rail 7 Gen 3 – Electric Mountain Bike
Specifications
| Specification | Details | 
| Model | Rail 7 Gen 3 | 
| Vehicle Category | Electric Mountain Bike | 
| Application | Enduro, downhill, big mountain riding | 
| Starting Price (2025) | $4,299.93 USD (Sale from $6,649.99) | 
| Color Options | Dark Prismatic | 
| Sizes | S, M, L, XL | 
Frame & Drivetrain
| Specification | Details | 
| Frame | Alpha Platinum Aluminum, Removable Integrated Battery (RIB), internal cable routing, Mino Link adjustable geometry, 148x12mm thru axle, Bosch drive system integration | 
| Fork | RockShox Domain RC, DebonAir spring, Motion Control damper, 160mm travel, 15x110mm thru axle | 
| Rear Shock | RockShox Deluxe Select+ RT, 230x57.5mm | 
| Drivetrain Compatibility | Shimano Deore XT M8100, 12-speed | 
| Dropouts | 148x12mm thru axle (R), 15x110mm thru axle (F) | 
| Crank | E*thirteen E*spec Plus, 34T, 165mm (S), 170mm (M, L, XL) | 
| Chain | Shimano SLX M7100, 12-speed | 
| Rear Derailleur | Shimano Deore XT M8100, long cage, 51T max cog | 
| Shifters | Shimano Deore XT M8100, 12-speed | 
| Cassette | Shimano SLX M7100, 10-51, 12-speed | 
Components & Features
| Specification | Details | 
| Seating | Bontrager Arvada, 138mm width | 
| Fuel Type | Electric | 
| Wheels/Tyres | Bontrager Line Comp 30, tubeless ready, 29x2.6in (S, M, L, XL) | 
| Wheel Size | 29in | 
| Brakes | Shimano M6120 4-piston hydraulic disc, 203mm rotors | 
| Brake Levers | Shimano M6100 | 
| Handlebar | Bontrager Line, alloy, 35mm, 27.5mm rise, 780mm width | 
| Stem | Bontrager Elite, 35mm, 0 degree, 45mm (S, M, L, XL) | 
| Headset | Knock Block Integrated, 58-degree radius, cartridge bearing | 
| Saddle | Bontrager Arvada, 138mm width | 
| Seatpost | TranzX JD-YSP39, 100mm travel (S), 150mm travel (M), 170mm travel (L, XL), internal routing, 34.9mm | 
| Grips | Bontrager XR Trail Elite, nylon lock-on | 
| Front Hub | Bontrager alloy, sealed bearing, 6-bolt, 15x110mm thru axle | 
| Rear Hub | Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, 148x12mm thru axle | 
| Rims | Bontrager Line Comp 30, tubeless ready, 30mm width, Presta valve | 
| Spokes | 14g stainless steel, black | 
| Exterior Features | Mino Link adjustable geometry, tubeless ready wheels, internal cable routing, Knock Block | 
| Weight | 23.40 kg / 51.59 lbs (size M) | 
| Drive Unit | Bosch Performance Line CX, 85Nm, 250W, Class 1 (20 mph / 32 km/h max assist) | 
| Battery | Bosch PowerTube 625Wh, integrated, removable | 
| Charger | Bosch 4A charger | 
| Display | Bosch Kiox 300, handlebar-mounted, displays speed, battery life, assist mode | 
| Certifications | UL 2849 (e-bike system) | 

