16B Roller Chain Tensioner #120 B-Hub Sprockets This 120F42 sprocket is a

This 120F42 sprocket is a durable

and precision sprocket with 26 hardened teeth that is manufactured to accept a 3020 bushing

08B K1 Attachment Dimensions

For more information or to get a quote on our tier one 10B-4 roller chain

M bushings

16B Roller Chain Tensioner #120 B-Hub Sprockets This 120F42 sprocket is a16B Roller Chain Tensioner This 16B roller chain tensioner provides consistent tension on the chain with minimal drive wear. Additionally, this 16B chain tensioner guides, quiets, controls, and Increases the overall life of the chain and sprocket. Since this chain tensioner "floats" on the chain it absorbs shock and does not add vibration to the drive. Overall this chain tensioner is high quality, manufactured right here in the USA, low maintenance,