1 Size L Large frame 20 inch. 3Battery Manufacture 72V 20AH BMS 60A. Samsung cells Brand R&C. 460 A controller. 6Max speed 60+Mph on flat road. 7Pedal assistant 5 modes. 83 amp Fast charger with cooler. 10Brake sensor (? For a long life motor MTX39 RC Power?). 11Upgraded Hydraulic brakes with sensors. 13 Custom torque arm 2 bought sides. 14Light front, rear, right, left, horn. 15Colour Display SW900A. Within 100-200 Miles of Northampton by our driver.