Profile Spline Drive Sprocket

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material: CNC machined from 7075 Aluminum size: choose available teeth in the menu option above teeth: 1/8 inch thickness: 6mm bore: splined for 48 spline 19mm cranks additional in formation: 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. 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