Variable Pitch 1VP40 Pulley 7/8" 13-Tooth Sprocket 100Q17 sprockets are bored to

100Q17 sprockets are bored to accept a Q1 type taper bushing

This 140E18 sprocket is a durable

SDS bushings

10A-2 Roller Chain Dimensions

140R18H sprockets are bored to accept a R1 type taper bushing

Variable Pitch 1VP40 Pulley 7/8" 13-Tooth Sprocket 100Q17 sprockets are bored toVariable Pitch 1VP40 Pulley 7 8" is designed and engineered in a way that allows for precise adjustments in diameter, which will also correlate to speed adjustment. Our single groove variable pitch pulleys are manufactured with extremely tight thread tolerances and use a high quality cast iron material. They are extremely well balanced to reduce vibrations and are phosphated and painted for corrosion resistance. Besides 1VP40 pulleys with a 7 8" bore