2025 Marin Alpine Trail E2 Bosch E-Mountain Bike
The 2025 Marin Alpine Trail E2 Bosch is the most aggressive e-mountain bike in Marin’s lineup, built for riders who seek the steepest, roughest, and most technical terrain. With long-travel suspension, Bosch’s most powerful motor, and the largest battery Marin offers, this bike is engineered for epic alpine adventures.
Built for Extreme Enduro E-MTB Riding
Featuring 170mm of front travel and 160mm of MultiTrac 2 LT rear travel, the Alpine Trail E2 dominates descents while maintaining stability and control at speed. Adjustable geometry allows riders to fine-tune handling for different terrain and riding styles.
Bosch Performance Line CX Power
At its core is the Bosch Performance Line CX motor, delivering an impressive 85Nm of torque and up to 600W of peak power. Paired with a massive 750Wh PowerTube battery, the Alpine Trail E2 provides exceptional range for big mountain days, up to 78 miles (125km).
Key Features
- Bosch Performance Line CX motor with 750Wh battery
- Series 4 aluminum MultiTrac 2 LT adjustable frame
- Fox 38 Performance Elite fork & Fox DHX2 rear shock
- Shimano XT 12-speed drivetrain
- TRP DH-R EVO 4-piston hydraulic disc brakes
| Motor | Bosch Performance Line CX, 600W, 85Nm |
|---|---|
| Battery | Bosch PowerTube 750Wh, integrated |
| Display | Bosch BRC3100 Systems Controller |
| Remote | Bosch BRC3300 Bluetooth Remote, 22.2mm clamp |
| Estimated Range | 31–78 miles / 50–125 km |
| Frame | Series 4 Alloy frame, 160mm MultiTrac LT suspension, adjustable headset & chainstay length/BB height, integrated battery & charging port, 148x12mm rear thru-axle |
|---|---|
| Fork | Fox 38 Performance Elite, 170mm travel, 29”, Boost 110x15mm Kabolt, 44mm offset, integrated fender |
| Rear Shock | Fox Float DHX2 Performance Elite, 205x65mm, trunnion mount, LSC & rebound adjustment |
| Rims |
Front: Marin aluminum double wall, 29”, 32mm internal Rear: Marin aluminum double wall, 27.5”, 32mm internal |
|---|---|
| Front Hub | Shimano, 110x10mm thru-axle, Centerlock |
| Rear Hub | Shimano FHTC500, 148x12mm, Microspline, Centerlock |
| Spokes | 14g black stainless steel |
| Tires |
Vee Tire Co Attack HPL, E-Control compound Front: 29x2.5” Rear: 27.5x2.5” |
| Rear Derailleur | Shimano XT, 12-speed, SGS |
|---|---|
| Shifter | Shimano SLX, 12-speed, I-Spec EV |
| Crankset | e*thirteen e*spec Plus, 160mm |
| Chain | KMC E12S, e-bike specific |
| Cassette | Shimano SLX M7100, 12-speed, 10–51T |
| Front Brake | TRP DH-R EVO 4-piston hydraulic disc, 203mm rotor (2.3mm thick) |
|---|---|
| Rear Brake | TRP DH-R EVO 4-piston hydraulic disc, 203mm rotor (2.3mm thick) |
| Brake Levers | TRP DH-R EVO |
| Handlebar | Marin Trail Bar, 800mm width, 20mm rise, 35mm clamp |
|---|---|
| Stem | Marin CNC, 35mm length |
| Grips | Marin Grizzly Lock-On |
| Headset | FSA Custom, adjustable head tube angle |
| Seatpost |
TranzX YSP39 dropper post S: 150mm | M/L: 170mm | XL: 200mm |
| Saddle | Marin Speed Concept |
| Motor System | Bosch Performance CX motor with 750Wh battery |
|---|---|
| Suspension | Fox 38 Performance Elite fork & Fox DHX2 rear shock |
| Frame Platform | Series 4 Aluminum MultiTrac 2 LT Adjustable Frame |
| Drivetrain | Shimano XT 12-speed transmission |
Specifications subject to change without notice.
