Shimano XTR M9100 Crank Arms
Best premium drivetrain component for serious mountain bikers.
These crank arms prioritize stiffness and weight savings for high-performance mountain biking. The direct-mount interface offers excellent versatility, allowing riders to easily switch between single and double chainring configurations as terrain demands.
$434.99
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Who it's for
- Competitive racers and performance-focused riders seeking maximum efficiency.
- Aggressive trail riders and endurance athletes needing robust components.
- Enthusiasts who value top-tier componentry and refined bike aesthetics.
Who should skip it
- Budget-conscious riders or those not requiring professional-grade performance.
- Riders with non-Shimano or older drivetrain setups seeking upgrade flexibility.
- DIY mechanics without specialized tools or those preferring universal components.
Performance breakdown
Power Transfer Efficiency
Hollowtech II architecture ensures near-zero flex during high-torque climbing efforts.
Weight-to-Stiffness Ratio
Advanced hollow construction minimizes mass without sacrificing structural integrity.
Maintenance Simplicity
Direct mount interface makes chainring swaps quick and frustration-free.
Configuration Versatility
Adaptable design handles single or double chainring setups with ease.
Trail Durability
Built to withstand the relentless abuse of elite-level mountain biking.
Ergonomic Q-Factor
Optimized stance width promotes natural, efficient pedaling mechanics for most riders.
Key Specs
Crank Arm Length
165 mm
Q-Factor
162 mm
Construction
Hollowtech II
Mount Type
Direct Mount
Intended Use
MTB
Number of Chainrings
1
Includes Chainrings
No
Know before you buy
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Ask Metto anything about the Shimano XTR M9100 Crank Arms before you decide.
