50BS14 Sprocket With 1-3/16" Finished Bore 100B14 Sprockets 12B-4 roller chain is a

12B-4 roller chain is a metric quad-strand chain with a 19

This 2040B30 sprocket is durable

the 6011-2RS bearing features raceways that are precision honed to a superb finish

These high-quality sprockets come with a 5/8-inch ID hole for your standard setups

50BS14 Sprocket With 1-3/16" Finished Bore 100B14 Sprockets 12B-4 roller chain is aThis 50BS14 sprocket featured a 1 3 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 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 #50 roller chain and sprocket thus preventing premature wear