80BS57 Sprocket With 1-7/16" Finished Bore Variable Pitch Pulleys This 40BS20 sprocket featured a

This 40BS20 sprocket featured a 1-1/2" finished bore with a key-way and two set screws

This 60BS49 sprocket features a 1-5/8" finished bore including a key-way and two setscrews

For more information on a three groove 35V900SF sheave

This 60BS96 sprocket features a 1-5/8" finished bore including a key-way and two setscrews

This 80BS18 sprocket features a 2" finished bore with a key-way and two set screws

80BS57 Sprocket With 1-7/16" Finished Bore Variable Pitch Pulleys This 40BS20 sprocket featured 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