BK130 Pulley 1-1/8" Bore 80B37 Sprockets This 40BS49 sprocket features a

This 40BS49 sprocket features a 7/8" finished bore including a key-way and two setscrews

35B45 sprockets with a stock bore comes with the standard 5/8" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

This 40BTB30 sprocket is a durable

80SF21 sprockets are manufactured to accept a SF type QD bushing which

BK130 Pulley 1-1/8" Bore 80B37 Sprockets This 40BS49 sprocket features aThis BK130 Pulley 1 1 8" bore is directly interchangeable with other manufacturers, is 12. 75" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK130 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 iron offers a higher