OEM : 13144-0035, 13144-0064Fit For KX250F year 2006 to year 2023Fit For KX250X year 2021 to year 2023Item Weight : 104g Teeth: 13T / 520 ChainOrigin : Mainland China Package Includes:One * 13T Motorcycle Sprockets Low maintenance cost, flexible replacement cycle, economical and practical, suitable for daily maintenance The sprocket is precisely designed to provide excellent chain control. Size:72.8*9.4mm This helps to improve efficiency and keep your chain stable and consistent while riding. Helps prevent premature wear of the chain and extend its lifespan It is recommended to regularly inspect and replace vulnerable parts for maintenance to maintain the optimal working condition of the entire vehicle Item Weight 1.76 ounces Manufacturer URBxNz Item model number URBxNz123 Package Dimensions 0.39 x 0.39 x 0.39 inches