
Machined engineering-grade Delrin inserts for adapting bottom brackets to a different type of crankset spindle.
- Adapts Shimano Hollowtech II cranks to work with BB30 bottom brackets
- Delrin adaptors fit between bearings and crank spindle
- BB/Frame Interface: BB30
- BB Shell Width (mm): 68
- BB Shell Width (mm): 73
- Weight: 48
- Spindle Interface Type: Hollowtech II
