128V1700M High-Performance 12-Groove Sheave, USA Roller Chain 45-Tooth Sprocket 100B25H sprockets with a stock

100B25H sprockets with a stock bore comes with the standard 1-1/4" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

This 100BS13 sprocket features a 1-1/4" finished bore with a key-way and two set screws

10B39 sprockets with a stock bore comes with the standard 20 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

100A54 sprockets with a stock bore comes with a 1-1/2" inside diameter plain hole and can be easily machine bored to custom sizes

For more information on a ten groove 10C300M sheave

128V1700M High-Performance 12-Groove Sheave, USA Roller Chain 45-Tooth Sprocket 100B25H sprockets with a stockThis 128V1700M Sheave uses an M bushing, is directly interchangeable with other manufacturers, is 17. 00" in diameter, and is manufactured in accordance with ARPM Standards for safe operation. With 3V series QD sheaves you can use standard 8V belts or banded 8V belts. What separates this 128V1700M sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the factory. Using the high