SMOOTH
This bottom bracket fits a Shimano crank on a classic BSA threaded road frame.
For road bikes, choose road seals, for CX and commuter bikes, or if you frequently ride on wet roads, choose cross seals.
- 1+1 Warranty
- Ceramic bearings
- Fit 24mm Shimano cranks on your BB30 frame
- Cross Version - Extra sealing for filthy conditions (mtb, cx)