Specifications For Fat Bike with 26-inch x 4-inch Wheel Rim Motor: 52V 2000W Brushless Direct-Drive Hub Motor Wiring Method: Waterproof Wire Connection System Maximum Speed: 65 km/h Display: Intelligent Colorful LCD Panel Display Controller: Intelligent Motor Controller, the Current is 40A Riding mode: Twist Throttle Electric Assist Mode, Pedal Assist Mode Rear Fork Width Requirement: 170mm Disk Brake Only with 6 Holes to Mount the Disc Rotor 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 7 Speed Thread-on Freewheel 52V 28.8AH Triangle Case Battery (LG Cell) 12 Months warranty on the Motor & Battery Riding Range: Up to 110 km range with Pedal Assist Mode Package Include : 1 x 52V 2000W Rear Rim Motor 1 x Intelligent Motor Controller 1 x Controller Bag 1 x Pedal Assist Crank Sensor 1 x Pair of E-Brake Levers 1 x Twist Throttle 1 x LCD Display 1 x Cable Ties Set 1 x Manual 1 x 7 Speed Freewheel 1 x 52V 28.8AH Battery & 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 (170mm) 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. 1500W 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.