Our standard BSA English threaded BB is Shimano™ compatible.  The 7075 T6 alloy cups feature CNC finishing and standard anodizing. Smooth and durable, the high-grade Enduro 2437 steel bearings are fully sealed and are a fantastic replacement BB for your Shimano™ drivetrain. Compatible with Shimano™ Hollowtech II cranks.

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READ THE FULL SPEC BELOW : If you still have questions, that’s ok!  We’re here to help as we know the compatibility & technical details can be confusing.    So just click on our Live Chat below or give us a call at 831-423-7464  M-F 8am-5pm PST.