Trek Rail+ Gen 5 e-MTB Lineup Shreds Trails with Big Upgrades – Full Comparison & Review
The Trek Rail+ Gen 5 introduces an all-new 2025 frame with 160 mm of travel front and rear, a mullet 29″ front / 27.5″ rear wheel setup (Small uses 27.5″ front and rear), and adjustable geometry via the Mino Link flip-chip plus an angle-adjust headset option to tune head angle ±0.5° around a baseline 64.5–65°. All Gen 5 models run the Bosch Performance Line CX Gen 5 motor with 85 Nm torque and ~600 W peak power, are significantly quieter and lighter than prior generations, and form part of Bosch’s Smart System with a compact System Controller and Mini Remote,