Shimano XT M8120-1 Crank Arms
Best durable upgrade for serious mountain bikers seeking reliable trail performance.
These crank arms offer a refined balance of stiffness and weight, making them a reliable upgrade for aggressive trail riding. Designed for modern 12-speed drivetrains, they provide a wider stance for better clearance and power transfer without unnecessary bulk.
$174.99
at
Cambria Bike
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Who it's for
- Aggressive trail riders seeking long-term reliability on technical terrain.
- Performance-oriented mountain bikers who prioritize pedaling efficiency and stiffness.
- Home mechanics looking for a user-friendly and reliable mounting system.
Who should skip it
- Weight-conscious racers aiming for the lightest possible cross-country build.
- Riders who want their components to maintain a pristine appearance.
- DIYers who prefer universal tools over brand-specific maintenance equipment.
Performance breakdown
Power Transfer Efficiency
Hollow forging provides exceptional rigidity for immediate, responsive pedal strokes.
Weight Optimization
Impressively light construction minimizes rotational mass for aggressive trail riding.
Drivetrain Compatibility
Seamlessly integrates with modern 12-speed Boost setups and chainlines.
Maintenance Simplicity
Direct-mount interface makes swapping chainrings quick and hassle-free.
Structural Durability
Built to withstand the high-torque demands of technical mountain terrain.
Ergonomic Clearance
Wider Q-factor offers improved frame clearance for modern wide-tire bikes.
Key Specs
Weight
520 grams
Crank Arm Length
165 mm
Intended Use
Mountain
Drivetrain Speed Compatibility
12-speed
Bottom Bracket Interface Type
Shimano Hollowtech II
Material
Aluminum
Chainline
55 mm
Q-Factor
178 mm
Boost Compatible
Yes
Number of Chainrings
0
Know before you buy
Still have a question?
Ask Metto anything about the Shimano XT M8120-1 Crank Arms before you decide.
