40BS20 High-Performance Sprocket 1-3/8" 2080 Sprockets Variable Pitch 1VP50 Pulley 1-1/8"

Variable Pitch 1VP50 Pulley 1-1/8" is designed and engineered in a way that allows for precise adjustments in diameter

Weight With Hub: 140lbs

This 2AK21 Pulley 5/8" bore is directly interchangeable with other manufacturers

This 35BS40 sprocket features a 1-1/8" finished bore including a key-way and two setscrews

40BS20 High-Performance Sprocket 1-3/8" 2080 Sprockets Variable Pitch 1VP50 Pulley 1-1/8"This 40BS20 sprocket featured a 1 3 8" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear