Kogel BB30A-GXP Ceramic Bottom Bracket for SRAM GXP Crank
This bottom bracket fits any Sram GXP crank on a BB30A frame. BB30A is an asymmetric bottom bracket found on Cannondale frames: Synapse, CAAD12 and CAAD13.
To install a Cannondale crank on any of these bikes, choose a standard BB30 bearing set.
Choose road bearings for road bikes, cross bearings off road use or if you frequently ride on wet roads.