MXR Euro BBTo be the fastest, you want lightweight products, and at 133g the MXR BB is just that.
The ultimate in lightweight BBs for BMX 19/20mm cranksets.
- CNC alloy cups with English threads. CNC alloy spacers (for 68mm Euro BBs)
- 4 replaceable sealed cartridge bearings.
- 19mm inner diameter
Free shipping on all website orders over £25 to UK mainland.