Wheel Size: 26" Rear wheel (Suitable for tyre width size 1.50 to 2.25) Motor: 36V 250W Brushless gear hub motor in black colour Wiring method: water proof wire connection system Battery range: +/-50km per power in pedal assist mode Max. Speed: Up to 25 km/h Display: KT LCD5 Controller: KT Brand Controller Riding mode: Thumb throttle electric assist mode /Pedal Assist mode Rear fork width requirement: 135-142mm Suitable for Disk Brake and V brake to use Specifications: Motor: 36V 250W Rear hub brushless gear motor, bending magnet and more efficient Brake levers: aluminium alloy, Wuxing E-brake lever Rim and spokes: P25DE Alloy double wall rim CNC sidewalls, with 12g steel spokes Controller: KT Brand 36V controller in controller box, maximum current rate: 14±1A Throttle: Thumb(Finger) Throttle, Wuxing brand PAS Sensor: 8 Magnet Display: KT LCD5, Show all basic information and DIY setting Battery: 36V Lithium-ion Battery, light weight and reliable Riding Range: Max 40km(10AH)/ 50km(13AH) / 60km(15Ah) /72 km(18Ah)when using Pedal Assist Mode on our bicycles Charger: More than 1000 times cycle-life and Australia safety standard Key feature: Built to the highest international standards, CE Powerful 250W36V brushless hub motor Alloy rim & steel spoke & aluminium alloy powerful controller Aluminium alloy powerful controller guarantee big current supply Thumb Throttle with waterproof cables has battery level and power-cut off Brake Levers cut off the power supply to the motor safely Battery gives more power and runs more distance w' reliable quality Charger with more than 1000 times cycle-life. Australia Safety standard . KT brand controller features: Use imitate torque control mode to help achieve a smooth start-up of the vehicle, the power-assist drive will be smooth and natural Electric power assist is with fast response and always consistent with the riders pedal action to achieve the effect of the torque boost With multiple protection features such as stalled, over-current, over-temperature, over-voltage, under-voltage, speed, lack of phase and so on to protect the safety of vehicle electronic control systems and traffic KT LCD5 Display functions: battery level indicator (4 bars), 3 speed display modes (current, maximum, average), traction help up to 6km / h, odometer, trip duration display What's in the box: 1 x 26" rear rim (36V 250W motor) 1 x Controller 1 x LCD display 1 x Pair e-brake levers 1 x Thumb throttle 1 x PAS sensor set 1 x Wiring cable 1 x Controller box 1 x Installation manual 1 x Battery & charger (Optional) Important notes: Professional installation is highly recommended, some basic tools will be required to install this DIY kit Please check the battery sizes and make sure it can fit your bike triangle frame Please noted that the hub will only suit screw on freewheel (normally up to 7 gears) User manuals TDR Electric Bike Conversion Kit Rear hub drive installation video Front hub drive installation video