Function: 1. Suitable for DIY electric bikes, making your ordinary an electric bike. 2. Brushless hub motor, realize silent running, let you fully enjoy the driving pleasure. 3. High strength and efficiency, greatly improving the driving pleasure, suitable for cyclists who love challenges. 4. Made of material, making it and sturdy, with high performance. 5. Suitable for 26-inch wheel, easy to operate, accompanied by display data of the meter. Specification: Item Type: Hub Motor Set Material: Mixing material Color: as shown Speed: 25 km/h Brake Lever Length: Approx. 183cm/72.0in Suitable for 26 inch wheel Package List: 1 x motor 1 x Regulator 2 x Brake Lever 1 x thumb gas 1 x Thumb Gas Valve Clip 1 x auxiliary sensor 1 x motor cable 1 x meter 1 x meter manual 40 x spoke 40 x spoke buckle.