For 26 Inch wheel with a width between 1.75 - 2.25 Inch Rim Motor: 48V 750W Brushless Gear Hub Motor Torque: 55 N.M Wiring Method: Waterproof Wire Connection System Maximum Speed: 50 km/h Display: Intelligent Colorful LCD Panel Display Controller: Intelligent Motor Controller, the Current is 22±1A Riding mode: Twist Throttle Electric Assist Mode, Pedal Assist Mode Rear Fork Width Requirement:135 - 142mm Suitable for Disk Brake (6 Holes to Mount the Disc Rotor) and V-brake System Brake levers: Aluminum Alloy Wuxing E-brake Lever Rim & Spokes: Alloy Double Wall Rim, Steel Spokes PAS Sensor: 12 Magnets Pedal Assist Sensor Freewheel: Shimano TZ500 6 or 7 Speed Thread-on Freewheel 12 Months Replacement Warranty on the Motor & Battery 48V 20AH Triangle Battery Riding Range: Up to 80 km range with Pedal Assist Mode Package Include : 1x 48V 750W Rear Rim Motor 1x Intelligent Motor Controller 1x Controller Box 1x Pedal Assist Crank Sensor 1x Pair of E-Brake Levers 1x Twist Throttle 1x LCD Display 1x Cable Ties Set 1x Manual 1x 6 or 7 Speed Freewheel 1 x 48V 20AH Triangle Battery 1 x Charger Set Important Notes Please check your wheel size before purchasing and you can find your wheel size from the printed on the tire wall (side). Please check your rear fork width (135 - 142mm) to make the motor hub can be fitted into it. Please check the size of the battery and frame size before purchasing to make sure the Triangle Battery can be fitted into your bike frame. Professional installation skills are needed. Please notice that basic tools will be required when installing this DIY Kit. Otherwise, please seek a local mechanic for installation. The AU regulations dictate that a kit must not exceed the rated power of 250W to be road-legal. 750W Motor is not path legal, this product is recommended for off-road or private property use only. Please noted that the rear motor hub will only suit thread-on freewheel which is up to 6 or 7 Speeds, the freewheel is included. Speed limit and riding ranges depend on the rider's weight, road, and weather conditions.