Profile 19mm Spline Drive Sprockets

Circuit BMX Verified independent store

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-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 pur e, direct power transfer. -Available for 19mm splined axles only. -1/8″ tooth width for use with most freestyle/street & single speed chains. -Supplied with 19mm 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. Show more