80BS25 Sprocket With 2-3/16" Finished Bore filter_H40BS48 This 5B56SK sheave features five

This 5B56SK sheave features five grooves

Average Tensile Strength: 6

This 60BS39 sprocket features a 2-3/16" finished bore including a key-way and two setscrews

This 40SDS47 sprocket is a durable

Frame Opening: 2-3/8"

80BS25 Sprocket With 2-3/16" Finished Bore filter_H40BS48 This 5B56SK sheave features fiveThis 80BS25 sprocket features a 2 3 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 25 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #80 roller chain and sprocket thus preventing premature