New Motorcycle Heavy Duty Chain & Sprocket Kit, Made From the Quality Metal Materials Available.Chain repeated forging, strict control of materials to ensure the strength, easy to disassemble, easy to clean, reusable.Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.Combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life.Not easy to damage, easy to installApplicable models:for Mini moto 25H Sprocket Chain 136 Links For 2 Stroke 47cc 49cc Engine Mini Moto Dirt ATV Quad 4 Wheeler Pocket Bike Go Kart Gold.Rear Sprocket:25H 68T 26mmColour:As ShownMaterial:MetalSize:25H 68 Links Chain + 68 Tooth Rear SprocketPackage Contents:1 * Rear Sprocket1 * ChainOnly 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.