BSD Substance Mid Bottom Bracket Set 19mm x 41mm

The BSD Substance Mid Bottom Bracket Set offers smooth and reliable performance with precision sealed cartridge bearings and CNC machined spacers for durability and a precise fit. It includes a spacer kit for easy adjustment and features a hollow CrMo crank arm bolt for lightweight strength. Measuring 19mm x 41mm, this set is an excellent choice for BMX riders seeking quality components.