Gusset MXR Threaded Euro Sealed Bearing Bottom Bracket
Gusset MXR Euro BB
To 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.
19/20mm inner diameter
Black - 133g