Profile Racing Galaxy Spline Drive BMX Sprocket
This Profile Racing Galaxy Spline Drive sprocket is CNC machined from 7075 Aluminum in the USA. It requires no sprocket bolt. Instead, the sprocket has a hardened CrMo steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer. Available for 22mm splined axles only.
Available for 22mm splined axles only.
1/8″ tooth width for use with most freestyle/street & single speed chains
Supplied with 22mm splined steel insert.