Applicable models: Suitable for most 20 inch* 4.0 tire snow bikes/beach bikes/electric bikes mtb/bmxChildren bike/motorcycle/Electric Motorcycle/folding bike/XC/DH, etc. But the premise is that you need to carefully check your model and parameters before placing an order.If you are not sure your bike is compatible, Please consult in advance(This product is not compatible with the Super73 ZX and other unspecified electric bicycle models.)