40BS39 High-Performance Sprocket 1-1/4" Iwis Roller Chain Something that sets this 2062B25

Something that sets this 2062B25 sprocket apart from others is that it is Black Oxide Finished

This two groove 2BK52H Pulley uses an H-Series Bushing

and precision 40 tooth sprocket that is manufactured to accept a F bushing

This 35BS30 sprocket features a 1-1/4" finished bore including a key-way and two setscrews

Dimension (B): 9mm

40BS39 High-Performance Sprocket 1-1/4" Iwis Roller Chain Something that sets this 2062B25This 40BS39 sprocket features a 1 1 4" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #40 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 bore