100% Brand New!Model: T8FTooth Number: 54 TeethMade of high quality materials available.Links can be removed to fit virtually any application.Fit for: 47cc 49cc 2 Stroke Minimoto Pocket Bike ATV Quad 4 Wheeler Go Kart Scooter. Specification:Material: Aluminum Alloy.Diameter: approx. 141mm / 5.55inch Inner diameter: approx. 26mm / 1.02 inch Package Includes: 1 Piece Chain 1 Piece Gear Box 1 Piece Rear Lug Note: Please allow 0.5-1 inch measuring deviation due to manual measurement (1 cm = 0.39 inch) Due to the monitor and different light, actual item colors may be slightly different from the color shown in the photos. T8F Gearbox Clutch with 54T Rear Chain Sprocket T8F Transmission Reduction Gear Box Chain + Gear Box + Rear Sprocket