Drive sprocket 9/10/11/12 tooth

Product Description

RDM CNC Machined from heat treated 4140 drive sprocket, fits 66/80cc motorized bicycle engines. Lifetime warranty. 9t 10t 11t and 12t available. 1/8” width for thinner 410 or 1/2”x1/8” chain. 3/16 width for 415 or 1/2”x3/16” chain. 

11t and 12t sprockets may need the wall between the chain and ignition cut away to fit. 

Check out the sprocket bundle packs and don’t forget to get a new 14mm nut and lock washer.  https://rdmanu.com/products/hex-nut-and-lock-washer