04C #25 22-Tooth Metal Pilot Sprocket, 10-17mm Bore, Keyway, Roller Chain

This is a brand new, unbranded 04C series sprocket.

It's got 22 teeth and a pilot bore that you can machine from 10mm up to 17mm to fit your shaft perfectly.

It's made of metal and includes a keyway, so it's ready for a secure fit on your drive shaft.

This is a common size for roller chain applications.

If you need a replacement sprocket or are building a custom drive system, this one is a solid choice.

It's made in China and comes in its original packaging.