1TB50 Sheave single-groove 5.35" OD 3V Single-Groove QD Bushed Sheaves 160B17H sprockets with a stock

160B17H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

140B24H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

Dimension (dk): 158

This 120BS21 sprocket features a 1-1/4" finished bore with a key-way and two set screws

Bushing Weight: 19

1TB50 Sheave single-groove 5.35" OD 3V Single-Groove QD Bushed Sheaves 160B17H sprockets with a stockThis 1TB50 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 5. 35" 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 1TB50 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