Bushing Type Needed: R1
80A80 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes
This 40B23 sprocket is a durable
08B9H sprockets with a stock bore comes with the standard 10 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
BK24 Pulley 1/2" Bore 2.40" V-Belt 100B23 Sprockets Bushing Type Needed: R1This BK24 Pulley 1 2" bore is directly interchangeable with other manufacturers, is 2. 40" 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 BK24 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 tensile