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Wheels Manufacturing BB30 Bottom Bracket Adaptor for Hollowtech II Cranks. Machined engineering-grade Delrin inserts for adapting bottom brackets to a different type of crankset spindle.
- TECH SPECS
| BB/Frame Interface | BB30 |
| BB Shell Width (mm) | 68 |
| BB Shell Width (mm) | 73 |
| Weight | 48 |
| Spindle Interface Type | Hollowtech II |