Marin Bikes Alpine Trail E1 Bosch: Conquer Any Trail

Powerful, versatile, customizable, robust, adventurous

Imagine a machine that embodies the spirit of adventure, that whispers to the wildest part of your soul, beckoning you to conquer the steepest, most technical terrains. The Marin Bikes Alpine Trail E1 Bosch is not just an e-bike; it’s a beast designed to push boundaries, to test your mettle against nature's fiercest trails.

Crafted with a new Series 4 aluminum MultiTrac 2 LT frame, this bike isn’t for the faint-hearted. It’s a robust piece of engineering, featuring a 170mm travel in the front and 160mm in the rear, offering more cushion for those bone-jarring descents. The suspension pivots have been cleverly relocated to the chainstays, enhancing performance and tunability. This means that whether you're flying downhill or grinding uphill, the bike adapts, offering a ride that’s as smooth as it is exhilarating.

One of the standout features is the Bosch Performance Line CX drive unit. With 85Nm of torque and a 750Wh PowerTube battery seamlessly integrated into the downtube, you're equipped for those long, epic rides. This eMTB doesn’t just go the distance; it owns it. Imagine carving through trails with the confidence that comes from knowing your bike can handle whatever you throw at it, and still have power to spare.

The Marin Alpine Trail E1 is smartly outfitted with Marzocchi suspension, boasting a coil shock at the rear for that extra bit of rugged resilience. Shimano's CUES 10-speed drivetrain ensures you have the gears to tackle any incline, while the Tektro Slate EVO 4-piston brakes with 203mm rotors give you the stopping power to handle the downhill rush. The bike's geometry is adjustable, with six configurations allowing you to fine-tune the ride to your preference. Whether it’s the head tube angle or the bottom bracket height, you can tweak it to perfection right on the trail.

This bike runs a mixed wheel setup with a 29” front and a 27.5” rear, striking a balance between agility and stability. The larger front wheel effortlessly rolls over obstacles, while the rear wheel adds a playful feel to your ride. Add in the CushCore tire inserts and you’ve got enhanced traction and rim protection, ensuring that the only thing you’ll be focused on is the trail ahead.

For those who ride hard and fast, the Alpine Trail E1’s protection features are indispensable. The bike’s robust design includes a moto-inspired downtube guard, made from a 30% fiberglass-infused nylon, which deflects the inevitable kicks and knocks from rocks and logs. The frame's cable ports are sealed with rubber membranes, keeping the internals safe and sound.

In essence, the Marin Bikes Alpine Trail E1 Bosch is built for those who crave the thrill of the ride. It’s a testament to modern bike engineering, where every detail, from the Marzocchi CR Coil rear suspension to the Bosch BRC3100 Systems Controller, has been meticulously designed to deliver a ride that’s as ferocious as it is fun. Whether you're a seasoned rider or an ambitious newcomer, this eMTB promises to elevate your trail game to new, exhilarating heights.


  1. Robust Frame: The Series 4 aluminum MultiTrac 2 LT frame is highly durable, designed to withstand the toughest terrains.
  2. Enhanced Suspension: Increased travel of 170mm (front) and 160mm (rear) provides excellent shock absorption, making for a smoother ride on rough trails.
  3. Powerful Motor: Bosch Performance Line CX drive unit with 85Nm of torque and a 750Wh PowerTube battery ensures powerful performance and extended range.
  4. Adjustable Geometry: Six possible configurations allow riders to customize the bike’s geometry to suit various terrains and personal preferences.
  5. Mixed Wheel Setup: The combination of a 29” front wheel and a 27.5” rear wheel offers a balance of stability and agility, enhancing ride quality.
  6. High-Quality Components: Marzocchi suspension, Shimano CUES 10-speed drivetrain, and Tektro Slate EVO 4-piston brakes ensure reliability and top-notch performance.
  7. Integrated Protection: Features like the moto-inspired downtube guard and CushCore tire inserts protect the bike and enhance durability.
  8. Easy to Adjust: Flip chips and adjustable headset make on-the-fly adjustments straightforward and tool-free.
  9. Extended Range: With a range of 31-78 miles, it’s ideal for long adventures and ensures you won’t run out of battery mid-ride.


  1. Weight: The robust build and powerful motor add to the bike’s weight, which might be a downside for some riders when handling or transporting the bike.
  2. Price: At $5,699, it is a significant investment, potentially limiting accessibility for some enthusiasts.
  3. Complexity: The adjustable geometry and advanced components may require a learning curve for those new to high-end eMTBs.
  4. Charging Time: While the battery offers great range, the estimated 4-hour charging time under ideal conditions might be lengthy for some users.
  5. Availability of Components: High-end components can be costly and harder to replace, which could be a concern for maintenance and repairs.


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