taper lock
Tapered Bushing Sprockets (TL)
Bushing-Bore Sprockets for ANSI Roller Chain. Alter bore size without replacing your sprocket.Easy to install, Taper-Bushed Sprockets chain sprocket provide you with the flexibility to use the same sprocket with different shaft diameters. Buy Taper-Bushings(Sold separately) to complement the bore sizes you will need. Use with ANSI solitary and double-strand chain. These metal sprockets and bushings fulfill all ANSI requirements.