Variable Pitch 1VP50 Pulley 1" 3020 This 120BS13H sprocket features a

This 120BS13H sprocket features a 1-1/4" finished bore with a key-way and two set screws

This 100BTB40 sprocket is a durable

Attachment Width (M): 14

Dimension (E): 1/4"

Variable Pitch 1VP50 Pulley 1" 3020 This 120BS13H sprocket features aVariable Pitch 1VP50 Pulley 1" 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 1VP50 pulleys with a 1" bore we