May 20, 2024 - (Petaluma, Calif) Marin Mountain Bikes Inc. has launched the biggest, baddest beast of a bike family, the Alpine Trail E, powered by Bosch.
Moving one step beyond in capability from the current Alpine Trail E models, the new Alpine Trial E Bosch eMTBs are constructed with all-new Series 4 aluminum MultiTrac 2 LT frames that feature significant upgrades for riders who challenge themselves with the steepest, most technical terrain, as well as those who require the maximum in range.
Highlights
• All-new Series 4 Aluminum MultiTrac 2 LT frames with 160mm travel
• Adjustable geometry: head tube angle, bottom bracket height/chainstay length
• Custom-tuned suspension
• Mixed 29” F / 27.5” R wheel sizes
• Bosch Performance CX drive units w/ 85Nm torque, 750Wh PowerTube battery
• 170mm travel forks, 4-piston brakes w/ 203mm rotors
• Two models
Frame and Travel
Marin developed the all-new Series 4 aluminum frame in conjunction with the new human-powered Alpine Trail models and notable new features shared between the platforms. Firstly, travel has been increased by 10mm at both ends, now standing at 170mm (f) and 160mm (r), which is also an increase of 10mm beyond the current Shimano-equipped models.
MultiTrac 2 LT (“Long Travel,” 150mm+), with rear pivots relocated from the seatstays to chainstays, makes its eMTB debut and delivers the suspension performance and tunability demanded of the longer travel.
With MultiTrac 2 LT, the benefits of relocating the rear pivot points from the seatstay to the chainstay become apparent, as it reduces anti-rise, allowing for better chassis control while braking, more mid-stroke support, and better feel at bottom out. Furthermore, relocation of the pivots provides the added benefit of allowing for adjustable chainstay lengths and bottom bracket heights.
Ultimately, it’s a better-riding, better-performing suspension system made possible by the new pivot placement. Seatpost inner diameters are now 34.9mm, which increases frame strength. New Alpine Trail E Bosch models are compatible with the latest diameter dropper posts and better match the aesthetics of the more robust frame.
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