Features: Fit for 47cc 49cc 2-stroke engine motorized bicycles. Easy installation and durable. A perfect aftermarket replacement. Made of high quality aluminum alloy material, very durable and resistant. Work with low noise and steady performance. Specifications: Material:ABS,Aluminium Package Includes: 1Set Pull Start Starter note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.