Brand New Motorcycle Heavy Duty Chain & Sprocket Kit, Made From the Quality Metal Materials Available. Chain repeated forging, control of materials to the strength, easy to disassemble, easy to clean, reusable. Their advanced tooth , concentricity and accuracy of fit maximum power transfer and long-life. Combination of a high strength base material and an exceptionally hardwearing surface in significantly increased chainwheel life. Not easy to damage, easy to install Applicable models:for Mini 25H Sprocket Chain 136 Links For 2 Stroke 47cc 49cc Engine Mini Dirt ATV 4 Pocket Bike Go Kart Gold. Rear Sprocket:25H 68T 26mm Colour:As Shown Material:Metal Size:25H 68 Links Chain + 68 Tooth Rear Sprocket Package Contents: 1 * Rear Sprocket 1 * Chain Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.