taper lock

Tapered Bushing Sprockets (TL) Bushing-Bore Sprockets for ANSI Roller Chain. Modify bore size without changing your sprocket.Easy to install, Taper-Bushed Sprockets give you the flexibility to use the same sprocket with different shaft diameters. Buy Taper-Bushings(Offered separately) to match the bore sizes you need. Use with ANSI one and double-strand chain. These steel sprockets and bushings fulfill all ANSI requirements.