Specification: Item Type: Electric Bicycle Conversion Kit Material: Nylon Tire+Alloy Rim+Stainless Steel Spoke Voltage: 48V 26in FatTire without Nylon Tire Installation Position: Rear Wheel Twist Throttle and Brake Remove the original handlebar grips and brake lever on your bicycle before you carry out the installation for the throttle. 1. Side the brake lever to the handle of your bicycle. 2. Secure the brake lever with a L wrench. 3. Slide the throttle to the handle ofyour bicycle and the secureit with a L wrench 4. Connect the bike brake line to the new brake lever s iron bucle.After that, make sure the iron buckle is closed. The throttle is installed on the right side of the bike, using 3 mm wrench tightened. Package List: 1 x Motor Wheel 1 x Control Box 1 x Meter 1 x Bike Frame Bag 1 x Throttle Handle 1 x Handle Cover 1 x Braking System 2 x Junction Box 1 x Line Pipe 3 x Installation Wiring Harness 1 x Gear Disc 1 x Manual Note: For your safety, please turn off the battery before connecting the controller.