80BS57 Sprocket With 1-7/16" Finished Bore Variable Pitch Pulleys For more information on a

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80BS57 Sprocket With 1-7/16" Finished Bore Variable Pitch Pulleys For more information on aThis 80BS57 sprocket features a 1 7 16" finished bore including a key way and two setscrews. It is a durable, high quality, and precision 57 tooth sprocket that fully meets all ANSI Standards which, insures proper contact between the #80 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock