Qii lu Rear Chain Sprocket, 25H 55T 2.126in Rear Chain Sprocket Fit for Razor E300 Compatible #25 Electric Scooter

[ Size ] --- Inner Diameter: 54mm/2.126in, Outer Diameter: 115mm/4.53in., [ Application ] --- This rear chain sprocket fits for Razor E300 electric scooter, easy to install., [ High Quality ] --- The rear chainwheels are manufactured to extremely tight tolerances from a special material developed to withstand the rigors of racing., [ Long Service Life ] --- Their advanced tooth , concentricity and accuracy of fit provide maximum power transfer and long-life., [ Professional Manufacture ] --- It is strictly in accordance with the standard requirements, it is worthy of your trust. Ideal replacement for your old or broken one., , , , ,