Features1Compatiblity: T8F 13T chain sprocket is suitable for 47cc 49cc mini pocket dirt bike, electric scooter, ATV. An replacement for damaged old motor sprockets. 2Durable and Sturdy: The T8F 13T sprocket is made of steel material, high toughness, good wear resistance, durable and practical, ensuring strength and reliability for years of use. 3Stable Performance: Built to withstand the challenges of off road riding, ensuring a steadfast performance wherever your adventure takes you. 4Replacement Accessory: The 13T chain sprockets are the replacement for old or broken sprockets, direct mount. Inner diameter 10mm. 5Easy Installation: Professional manufacture, easy installation, and does not require complicated operations, stable performance and high reliability, light in weight, small in size.SpecificationItem Type: T8F 13T SprocketMaterial: SteelWeight: Approx. 115g / 4.1ozInner Diameter: 10mm / 0.4inPackage List5 xT8F 13T Sprocket