SRAM Red BB30 Cranksets SRAM Red BB30 170mm Crankset 3953T Bottom Bracket Not Included

SRAM Cranksets Large hollow spindle is permanently attached to right arm, spins on four externally mounted cartridge bearings Compatible with all 10speed drivetrains Onepiece carbon fiber armspider with aluminum skeleton in arm only Aluminum chainring bolts are easily installedremoved with standard 5 and 6mm hex keys Hard anodized AL7075T6 PowerGlide chainrings are extrastiff for optimal shifting performance in race conditions, compatible with SRAM chain