Profile 19mm Spline Drive Sprocket Aaron heat-treated 6061-T6 alloy with welded

heat-treated 6061-T6 alloy with welded seam

An aggressive but low tread profile makes this tire great for a range of surfaces

*NOTE: This is not a traditional cassette hub

Bolts sold separately

Die-casted alloy arms

Profile 19mm Spline Drive Sprocket Aaron heat-treated 6061-T6 alloy with weldedCNC 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 spindle for pure, direct power transfer. Available for 19mm 48 splined spindles only. 1 8 tooth width for use with most freestyle street & single speed chains. Supplied with 19mm splined steel insert. Weight: 25t: 76g 2. 65oz 28t: 87g 3. 05oz 30t: 93g 3. 25oz *NOTE: Spline drive sprockets