[Applicable Models]: The T8F 9Tooth Sprocket fits for most Razor EVO IZIP 500W 1000W Electric Scooter.[Easy to Install]: Please check the size specification of the T8F 9Tooth sprocket before you place an order from us.[Package List]: 1pc*T8F 9T Sprocket.[After-sale]: We are committed to provide excellent customer service. If you have any questions, please feel free to contact us via Amazon Message.Product Description Important Note:In each case, before ordering, please, check the dimensions of the original product.Please allow 2-3cm errors due to manual measurement.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.Instruction is not included.Please check and make sure the size and fitment carefully if you have any problem!Packing List:1pc*T8F 9T Sprocket.