SHIMANO SLX Crank Arms Only
Top Pick
Shimano
Shimano

SHIMANO SLX Crank Arms Only

4.7

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

In stock

at

Bicycle Addiction

Crank Arm Length Mm 175
Bottom Bracket Interface Type Hollowtech II
Hollowtech II
Outboard
Number Of Chainrings

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.

Excellent

Weight-to-Strength Ratio

Hollow forged aluminum strikes an ideal balance for aggressive trail riding.

Excellent

Drivetrain Compatibility

Seamless integration with modern 12-speed systems and Boost hub standards.

Excellent

Installation Simplicity

The two-piece design makes mounting and maintenance straightforward for home mechanics.

Excellent

Trail Durability

Built to withstand the repeated impacts and abuse of mountain biking.

Excellent

Chainline Precision

Optimized 55mm chainline ensures smooth, reliable shifting across the entire cassette.

Excellent

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

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SHIMANO SLX Crank Arms Only

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Bicycle Addiction
Bicycle Addiction
In stock
$130.00
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