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PROFILE SPLINE DRIVE SPROCKET-19MM
-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 19mm splined axles only.
-1/8″ tooth width for use with most freestyle/street & single speed chains.
-Supplied with 19mm splined steel insert.