The SD Race BB30 bottom bracket suits any BMX race frame that uses a BB30 shell, to suit cranks with a 24mm spindle.
BMX specific design ensures more strength and rigidity through the track!
- BMX specific bearing design
- Bearings are held in place by forged and CNC machined aluminium cups that ride on the outside of the BB shell for greater durability
- Suits BB30 frames only
- Suits cranks with 24mm spindle















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