SHIMANO SLX Crank Arms Only
Best performance upgrade for mountain bikers running 12-speed Boost drivetrains.
These crank arms are the sweet spot for riders who want pro-level power transfer without the premium price tag. You sacrifice the ultra-lightweight materials found in top-tier racing components, but you gain a bombproof, stiff foundation that handles aggressive trail riding with total reliability.
$130.00
at
Bicycle Addiction
More SLX options
Who it's for
- Aggressive riders needing efficient power transfer without extra bulk
- Trail riders demanding components that survive harsh, muddy conditions
- Budget-conscious mountain bikers seeking near-premium performance
Who should skip it
- Weight-obsessed racers chasing every gram of savings
- Aesthetic-focused riders wanting a finish that resists wear
- Performance enthusiasts preferring the stiffness of 30mm spindles
Performance breakdown
Power Transfer Efficiency
Hollowtech II construction ensures minimal flex during high-torque climbing efforts.
Weight-to-Strength Ratio
Hollow forged aluminum strikes an ideal balance for aggressive trail riding.
Drivetrain Compatibility
Seamless integration with modern 12-speed systems and Boost hub standards.
Installation Simplicity
The two-piece design makes mounting and maintenance straightforward for home mechanics.
Trail Durability
Built to withstand the repeated impacts and abuse of mountain biking.
Chainline Precision
Optimized 55mm chainline ensures smooth, reliable shifting across the entire cassette.
Key Specs
Crank Arm Length
175 mm
Intended Use
Mountain
Drivetrain Speed Compatibility
12-Speed
Bottom Bracket Interface Type
Hollowtech II
Material
Aluminum
Chainring Mount Type
Direct Mount
Spindle Diameter
24 mm
Q-Factor
178 mm
Boost Compatible
True
Crank Construction Type
2-Piece
Know before you buy
Still have a question?
Ask Metto anything about the SHIMANO SLX Crank Arms Only before you decide.