BB30 / PF30
30 mm spindle standards: BB30 (direct-fit bearings, Ø 42 mm) and PF30 (bearings in pressed cups, Ø 46 mm).
Notes
They accept 30 mm spindle cranksets; with dedicated adapters, Shimano 24 mm or DUB cranksets too. Historically more prone to creaking.
Compatible with
- 30 mm spindle cranksets
- Shimano 24 mm / SRAM DUB with adapters
Questions about this standard
Source: Park Tool. Indicative data — always check the manufacturer's official specs.