Specialized S-Works Carbon Mountain Crank Arms

* Best strength-to-weight ratio on the market
* Third-generation, hollow carbon crank arms offer superior stiffness
* Oversized alloy spindle with Hirth coupling interface
* 42mm BB30 cartridge bearings
* Fits:
Specialized frames with 84.5 OSBB
All frames with 73 BB30/PF30
S-Works chainrings and spiders available separately in triple and double configurations
* Natural matte 3K carbon finish
* Includes all BB hardware