#140 Roller Chain Tensioner 36-Tooth Sprocket With C-series QD sheaves you

With C-series QD sheaves you can use C

Outside Diameter: 7

the 12B A1 attachment has a bent tab on one side with one hole for mounting

This 120BS32 sprocket features a 1" finished bore with a key-way and two set screws

Something else that is notable about this 140B20 sprocket is that it fully meets all ANSI Standards

#140 Roller Chain Tensioner 36-Tooth Sprocket With C-series QD sheaves youThis #140 roller chain tensioner provides consistent tension on the chain with minimal drive wear. Additionally, this #140 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, made with food grade UHMW,