SHIMANO TIAGRA BB-RS501 HOLLOWTECH II, BSA bottom bracket

The BB-RS501 from Shimano is a high-quality bottom bracket for frames to BSA standard with 68 mm housing width. Usable is the Shimano BB-RS501I with BSA thread for Hollowtech II cranksets with 24 mm shaft.

Compatibility:

• TIAGRA FC-4700, FC-4703
• SORA FC-3550, FC-3503, FC-R3030, FC-R3000
• CLARIS FC-R2000, FC-R2030
• GRX FC-RX600
• FC-RS520, FC-RS510, FC-RS500, FC-RS400 FC-R563, FC-R460, FC-R350 FC-CX50