1TB68 Sheave single-groove 7.15" OD #100 BTB Type Sprockets This 120BS28 sprocket features a

This 120BS28 sprocket features a 1-1/4" finished bore with a key-way and two set screws

100SDS12 sprockets are manufactured to accept a SDS type QD bushing which

40mm pitch metric chain manufactured per ISO and British Standards

and precision sprocket with 16 hardened teeth

1TB68 Sheave single-groove 7.15" OD #100 BTB Type Sprockets This 120BS28 sprocket features aThis 1TB68 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 7. 15" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With B series TB pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this 1TB68 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35 cast