48V 500W Rear Wheel Hub Motor Electric Bicycle Conversion Kit with KT‑900S Display Meter for 12G Wheel

Feature: 1. It adopts high‑quality aluminum, copper and ABS material, and is durable and has a long service life. 2. The brushless hub motor can be noise‑free during operation, allowing you to fully enjoy the fun of riding. 3. High strength and high efficiency, it greatly improve the fun of riding, suitable for cyclists who like challenges. 4. There are 5 spoke sizes of 20‑28 inches can be selected, it is easy to operate, and equipped with a display meter to display data. 5. Suitable for DIY electric bicycles, it will make your ordinary bicycles become electric bicycles. Specification: Item Type: Electric Bicycle Conversion Kit Material: Aluminum + Copper + ABS Product Color: As Pictures Shown Controller Box Size: Approx. 12.7x6.6x4cm 5.0x2.6x1.6in Product Weight: Approx. 5450 5650g 192.2 199.3oz Rated Current: 11A Rated Voltage: DC36V 48V Speed Setting: 1 4.2V Low Voltage Protection: DC30 40+ 0.5V Maximum Current: 22+ 1A Speed: 35 Rotate Speed: 300 Reduction Ratio: 1:4.5 Magnet Height: 22H Rear Drive Cassette Freewheel Open Gear: 142mm 5.6in Features: 28 inch spokes can be shared with 29 inch, 700C. Package List: 1 x Motor 1 x Controller1 x Pair of Brake Lever1 x Thumb Throttle1 x Speed Assist Sensor1 x Motor Wire1 x Instrument 1 x Instrument Manual 1 x Manual 1 x Spoke Installation Tool40 x Spoke40 x Spoke Cap