1TB34 Sheave single-groove 3.75" OD #100 R Type Sprockets the 06B SK2 attachment has

the 06B SK2 attachment has a straight tab on both sides with two holes each for mounting

This 1B44SH sheave features one groove

For more information on a ten groove 10C140J sheave

140S45 sprockets are made to accept a S1 size taper bushing which we also stock with a wide range of bore sizes

This 120B17 sprocket is a durable

1TB34 Sheave single-groove 3.75" OD #100 R Type Sprockets the 06B SK2 attachment hasThis 1TB34 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 3. 75" 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 1TB34 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