S-Works Carbon Mountain Crank Arms – 170mm

Get the competitive advantage with the S-Works Carbon Mountain Crank Arms. These crank arms have a supreme strength to weight ratio, and feature f-generation, hollow carbon crank arms offer superior stiffness.

• Supreme strength-to-weight ratio.
• Fourth-generation, hollow carbon crank arms offer superior stiffness.
• Includes all BB hardware for PF30.
• All chain rings with 104 BCD (not compatible with a triple ring set up)
• Oversized alloy spindle with a spline interface.
• All frames with 73 BB30/PF30