Shimano Deore XT FC-M8150 E-Bike Crank Arm
Best durable upgrade for serious electric mountain bike enthusiasts.
Engineered for specific electric mountain bike motor systems, these crank arms prioritize stiffness and weight reduction. The hollow-forged construction ensures efficient power transfer, while the streamlined design integrates perfectly without the need for additional spacers.
$140.00
at
Airpark Bike Co
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Who it's for
- Performance-focused riders seeking a balance of strength and weight
- Shimano EP8 motor users wanting a perfect factory-spec fit
- Trail enthusiasts who ride in harsh or abrasive conditions
Who should skip it
- Owners of non-Shimano e-bike systems needing replacement parts
- Home mechanics without specialized Shimano drivetrain tools
- Budget-conscious cyclists looking for the most affordable replacement option
Performance breakdown
Power Transfer Efficiency
Hollow-forged aluminum construction ensures minimal flex during high-torque pedal strokes.
Weight Optimization
Impressively light for an e-bike component, reducing unsprung mass significantly.
Motor Integration
Designed specifically for Shimano EP series motors for a perfect fit.
Installation Simplicity
Spacer-free design streamlines the setup process for a cleaner look.
Trail Durability
Built to withstand the aggressive impacts and stresses of mountain biking.
Q-Factor Ergonomics
Optimized stance width provides a natural, efficient pedaling feel on trails.
Key Specs
Crank Arm Length
170 mm
Weight
521.6 grams
Spindle Interface
Hollowtech II
Q-Factor
177 mm
Pedal Thread
9/16 inches
Compatibility
Shimano EP801, EP800, EP600 motors
Material
Hollow-forged aluminum
Know before you buy
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Ask Metto anything about the Shimano Deore XT FC-M8150 E-Bike Crank Arm before you decide.
