50BS56 Sprocket With 1-1/2" Finished Bore 21-Tooth Sprocket Additionally this bushing features a

Additionally this bushing features a 38 millimeter bore with a standard keyway

40BS37 1-1/8" Finished Bore Sprocket Dimensions:

Bore: 80mm

Our superior 16B SK2 attachment connecting link is designed explicitly for metric 25

and 25:1 ratios

50BS56 Sprocket With 1-1/2" Finished Bore 21-Tooth Sprocket Additionally this bushing features aThis 50BS56 sprocket features a 1 1 2" 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 #50 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