Transfers 08B chain between 21 and 32 teeth. Fits on a 50mm shaft. Sprocket assembly comes with bearing 138-4050 fitted.
Old Part No. 124-499
Model SKU: 124-4099; Chain: 08B/08B; Teeth: 21/32; Shaft: 50mm
Transfers 08B chain between 21 and 32 teeth. Fits on a 50mm shaft. Sprocket assembly comes with bearing 138-4050 fitted.
Old Part No. 124-499