Electric Bike Rear Wheel Set-20X4.0 Inch

This 20x4.0-inch e-bike rear wheel assembly comes preassembled and ready for replacement upon receipt.We also offer optional components (such as brake discs and freewheels); you can choose the right combination based on your needs. The following is a product bundle description.🟡1. Basic Assembly: Includes rim, spokes（spoke wheel only）, and motor.🟢2. Basic Assembly + Optional Assembly: The delivery list includes the basic assembly and optional extras. Specific items are subject to the optional assembly.🔵3. Advanced Assembly: The delivery list includes all items in the basic assembly plus the brake disc, freewheel, controller, Cadence sensor, instrument panel, and waterproof integrated cable. Note:This is a custom product. It is compatible with most e-bikes sold on ceayabikes.com. If you choose others bike model, you may also need to change the controller, sensor, instrument panel, and e-bike integrated cable (if necessary).If you are unsure whether this wheel set is compatible with your