New Motorcycle Heavy Duty Chain & Sprocket Kit made from quality metal materials. Chain features repeated forging and strict material control to ensure strength, easy disassembly, easy cleaning, and reusability. Advanced tooth profile, concentricity, and fit accuracy provide maximum power transfer and extended lifespan. High-strength base material combined with a hard-wearing surface significantly increases chainwheel durability. Resistant to damage and easy to install. Compatible models: Mini moto 25H Sprocket Chain 136 Links for 2 Stroke 47cc 49cc Engine Mini Moto Dirt ATV Quad 4 Wheeler Pocket Bike Go Kart. Rear Sprocket: 25H 68T 26mm Color: As shown Material: Metal Size: 25H 68 Links Chain + 68 Tooth Rear Sprocket Package Contents: 1 x Rear Sprocket 1 x Chain Note: The package includes only the items listed above. Other products are not included. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3 cm.