Model No.：BB30 Adapter // Plastic BSA bearing cups
for BB30 frames to BSA system frames
Adding this adapter to the BB30 frame makes it easy to change the BSA system frame when using a Shimano crank.
- Keep the BB30 system and add extra this adapter which easy change to BSA BB system .
- Plastic material – no increase in weight.
MODEL #BB30 to BSA CUP
- Plastic R& L Bearing cups for BSA BB
- BB Shell Width 68, 73, 83mm
- BB Shell diameter 42mm
- Weight 38g