BBRIGHT ADAPTERS - Compatible with 2011-2012 Cervelo models R3, R3 Team, S5, S5 Team, S5 VWD, and R5 VWD (not compatible with R5ca direct-fit bb) - Includes eight 0.7-mm shims for fine-tuning chain line - 48 g/pr - Note: These adapters are not compatible with the FSA BBRight bottom bracket