Shimano SLX M7100-1 Crank Arm
Best durable upgrade for dedicated mountain bikers seeking reliable trail performance.
These crank arms offer a reliable, high-performance upgrade for trail riders looking to shed weight without the premium price tag of top-tier racing components. The hollow-forged construction balances stiffness and durability, making them a dependable choice for aggressive riding.
$119.99
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Who it's for
- Trail riders seeking high-end performance without the premium XTR price.
- Mountain bikers who value easy maintenance and efficient power delivery.
- Frequent riders needing reliable components that endure technical terrain.
Who should skip it
- Home mechanics who prefer universal tool compatibility for bike repairs.
- Aesthetic-conscious riders who want their gear to look new longer.
- Custom builders looking to mix and match various drivetrain brands.
Performance breakdown
Weight Optimization
Strikes a smart balance between lightweight performance and rugged trail durability.
Installation Simplicity
The Hollowtech II interface makes setup straightforward for most home mechanics.
Drivetrain Compatibility
Seamlessly integrates with modern 12-speed systems for smooth, reliable shifting.
Trail Durability
Built to withstand the repeated abuse of technical mountain biking terrain.
Component Versatility
A reliable workhorse that fits perfectly into most trail bike builds.
Power Transfer Efficiency
Hollow-forged aluminum provides exceptional rigidity for direct, responsive pedaling input.
Key Specs
Q-Factor
178 mm
Chainline
52 mm
Drivetrain Compatibility
12-speed
Bottom Bracket Interface
Hollowtech II
Material
Aluminum
Intended Use
Mountain Biking
Spindle Diameter
24 mm
Number of Chainrings
1
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