Everything you need to know about the Classic Profile 19mm Spline Sprocket
Profile’s Original 19mm Spline Drive Sprocket.
Multiple sizes, multiple colors. 10 years strong.
Have any questions?
We can answer them all here.
We are taking precautions to protect our employees and follow CDC and state guidelines. In the meantime, our machine shop is still running, we're here to assist you and we'll be shipping product to help support bike shops during this difficult time.