Tapered Bushing Sprockets (TL) Bushing-Bore Sprockets for ANSI Roller Chain. Change bore size without replacing your sprocket.Easy to install, Taper-Bushed Sprockets provide you with the flexibility to utilize the same sprocket with different shaft diameters. Buy Taper-Bushings(Offered separately) to complement the 
bore sizes you will need. Use with ANSI single and double-strand chain. These steel sprockets and bushings meet all ANSI requirements.
