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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...
View full detailsSimplex sprocket, suits 08B chain with 27 teeth. Sprocket fits to a 20mm shaft and secures with grub screws. Identical to part 630-4119