
Sprocket Assembly 08B 21T 46T 50mm
Sprocket Assembly 08B 21T 46T 50mm Description:
Sprocket assembly to transfer 08B chain between 21 and 46 teeth. Fits on 50mm shaft. Comes standard with bearing inserted (138-4050). *Old Part No. 116-334 | 116-3010 | 116-310