Light and strong, these S-Works carbon road arms, and spider give you the competitive advantage.
BB30 compatible. Compatible with Shimano and SRAM drivetrains. Finish: Unidirectional carbon fiber Fits Specialized road frames with OSBB or PF30 bottom bracket shell. Hollow carbon crankarms offer superior stiffness. Light and strong, these S-Works carbon road crankarms give you the competitive advantage. Oversized alloy spindle with Hirth coupling interface. Spider: 110 BCD