Go-Kart Mini-Bike Heavy Duty Centrifugal Clutch KD1B1041SHD 1″ Bore Clutch 10T
Product Details: New unopened unused merchandise No installation instructions outside diameter 4 3/4″ total width 3″ clutch back to sprocket is 2 1/2″ The bottom aperture is 1 inch.The top aperture is 0.53 inches. The crankshaft must be threaded to accept a bolt to hold clutch onto shaft. Comes with two set screws and 1/4″ key. This is a heavy duty clutch designed for standard live axle karts using up to 18″ tall tires. The 10t sprocket allows you to achieve a desired gear ratio for good pulling power, recommend using at least a 60T drive sprocket. For larger tire application and extreme riding you will need a torque converter. .