Feature:1. Sprocket Cog: Including a T8F 54T tooth rear drive sprocket cog and a 116 links chain, ensuring stable running.2. Practical Use: Ideal for 47cc 49cc 2 stroke replacement for Goped, replacement for Moto Pocket Bike and so on.3. Perfect Match: Advanced teeth with high accuracy and concentricity enables maximum power transfer in driving.4. Good Material: Forged with high quality steel alloy material with good strength, very durable for long term use.5. Easy to Install: Designed to have a light weight and a compact size, the installation is very simple to finish.Specification:Item Type: Rear Drive Sprocket CogMaterial: Steel AlloyChain Style: T8f 116 Chain LinkLength (folded in half): 460 mm/ 18.11in. Thickness: 11.5 mm/0.45in. Width: 7.5 mm/0.3in. Sprocket Inner Diameter: 54 mm/2.13in. Minimum Aperture: 6mm / 0.24in. Sprocket Diameter: 140mm / 5.51in. Centre to Centre: 65 mm / 2.56in. Application: Used for replacement, refurbishment, maintenance, etc. of the original car's rear drive sprocket chain. Fitment: Replacement for Moto Pocket Bike 47cc 49cc 2 StrokeReplacement for Gas Scooter 47cc 49cc 2 StrokeReplacement for ATV 47cc 49cc 2 StrokeReplacement for Quad 47cc 49cc 2 StrokeReplacement for Pit Dirt Bike 47cc 49cc 2 StrokeReplacement for Goped 47cc 49cc 2 Stroke.Package List:1 x Rear Drive Sprocket Cog1 x 116 Links Chain