This is an E-bike kit, made of good quality materials. High power motor, 48V 500W. Giving you more power and can run further distance. Brake levers cut off the power supply to the motor safely. With LCD instrument panel, waterproof, durable for long time use. A complete conversion kit for E-bike, practical and wonderful. Condition: 100% Brand New. Item Type: Ebike Conversion Kit. Color: as picture shown. Option: for rear drive rotating flywheel, for rear drive Cassette flywheel. Motor installation open gear: rear drive open gear 170mm. Electronic power off brake handle. Wiring mode: waterproof wire for outgoing motor, other common wiring. 1 x Assistance Accessory. 1 x Power Off Brake Handle. 1 x Finger Handle. 1 x Instrument Panel. 1 x Waterproof Line. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.