JRL Racing Carburetor Sprocket Kit For 2 Stroke 60cc 80cc Motorized Bicycle Engine Red 36T Sprocket: Inner Diameter: 36.4mm External Diameter: 148.9mm Carburetor :Air inlet17-18mm Throttle Cable Length:123cm/48.43" Clutch Cable Length: 144.5cm/56.89" Handlebar Throttle Grips:Length:14.5cm Hole Diameter:3.5cm Left Clutch Lever Length:18cm