This is an E-bike kit, made of good quality materials. High power motor, 48V 1000W, endurance, make you fully enjoy the pleasure of cycling. Brake Levers cut off the power supply to the motor safely. High sensitivity, easy to install and operate, long service time. A complete conversion kit for E-bike, practical and wonderful. Item type: Electric Bicycle Motor Conversion Kit. Power AssistSystem: 1:1. Controller: 12 tubes of 26Ah controller. Brake handle: the five-star. Open front drive: front drive is 100mm, the rear drive is 135mm. 1 x Wheel 1 x Controller 1 x Brake Lever 1 x Assist 1 x Trigger Shifter 2 x Shifters 1 x Shifters Clip 2 x Instruction 6 x Ribbon 1 x Film 1 x Controller Bag. 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.