E*thirteen e*spec Plus Ebike Crank Arm
Best performance upgrade for Shimano EP8 e-bike riders.
These crank arms are engineered specifically for electric mountain bikes, focusing on a slim profile to improve pedaling efficiency. The lightweight aluminum construction offers a balance of durability and performance for demanding trail conditions.
$78.95
More e*spec options
Who it's for
- Aggressive e-mountain bikers demanding maximum durability under high torque
- Shimano EP8 motor owners seeking a precise, noise-free fit
- Technical trail riders needing extra clearance to avoid pedal strikes
Who should skip it
- Weight-conscious riders prioritizing lightweight carbon fiber components
- Budget-focused cyclists looking for basic, affordable replacements
- Riders preferring longer crank arms for specific biomechanical needs
Performance breakdown
Motor Integration
Precision-engineered specifically for seamless Shimano EP8 motor compatibility.
Power Transfer
Stiff construction ensures efficient energy delivery from rider to drivetrain.
Durability
Robust materials withstand the high torque demands of modern e-bike systems.
Ground Clearance
The 160mm length significantly reduces pedal strikes on technical terrain.
Installation Ease
Straightforward mounting process gets you back on the trail quickly.
Weight Optimization
Balances necessary strength with weight savings for improved handling.
Key Specs
Crank Arm Length
160mm
Compatibility
Shimano EP8 motors
Brand
E*thirteen
Model Number
CS3EPA-103
Category
Components
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