Profile Racing Spline Drive Sprocket, 28t Black for 19mm 48 Spline Spindles

Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.

Specs:
Tooth Count	28teeth
Interface	Spline Drive
Defined Color	Black
Weight (oz)	2.7
Adaptor	None
Material	Aluminum
Color	Black
Chain Width	1/8"
Bore	19mm