1TB124 Sheave single-groove 12.75" OD 4040 This 1TB70 Pulley uses a

This 1TB70 Pulley uses a P1-Series Bushing

For more information on a single groove 1B5V62 sheave

This 100BTB12 sprocket is a durable

Sprocket Size: 100BTB60

1TB124 Sheave single-groove 12.75" OD 4040 This 1TB70 Pulley uses aThis 1T124 Pulley uses a Q1 series bushing, is directly interchangeable with other manufacturers, is 12. 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 1TB124 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