Parts & Accessories

- Adapts American/Pro BMX frames with a non-Threaded 51.3mm (2.02") i.d. bottom bracket shell to accept English-threaded bottom bracket & crank applications - CNC-machined aluminum with three steel connecting bolts to prevent independent rotation

- Replacement bolt for DUB cranks

Spacers to insure proper chainline and chainring spacing on your bike. • 0.6mm thick • Sold in a bag of 20 spacers