Profile 19mm Spline Sprocket (18T, 20T, 23T, 25T & 28T)

CNC machined from 7075 Aluminum in the USA! Requires no sprocket bolt. Instead, it has a hardened Cr-Mo Steel insert that matches up to the 48 Splines on the crank axle for pure, direct power transfer. Available for 19mm splined axles only. Supplied w/ 19mm splined steel insert. Sizes: 18t & 20t w/ 3/32″ tooth width23t, 25t & 28t w/ 1/8″ tooth width Colors: Silver, Black, Red, Blue, Gold, Green, Purple, Aqua, & Matte Black (25t & 28t Only) Weight:  18t: 44g/1.6oz 20t: 52g/1.8oz 23t: 62g/2.2oz 25t: 76g/2.65oz 28t: 87g/3.05oz