Profile Racing Galaxy Spline Drive Sprocket – 22mm (25T, 28T, or 30T)

DescriptionGALAXY SPLINE DRIVE SPROCKET-22MM-CNC machined from 7075 Aluminum in the USA!-Requires no sprocket bolt. Instead, it 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.-1/8″ tooth width for use with most freestyle/street & single speed chains.Supplied with 22mm splined steel insert.NOTE: Spline drive sprockets are not compatible with 2-piece cranks for Right Side Drive (not enough room for splines). Spline drive sprockets are compatible on Left Side Drive 2-piece cranks though.