MotorHigh speed brushless,250W-500W, from 8FUN. -250W for Europe. -250W-500W for USA & Canada. -200W for Australia. Battery36V / 10 Ah to 16Ah Li-ion or Li-Polymer. -36V / 10 Ah LiFePO4. - with electric protection circuit. PAS1:1 pedal assistant system . Speed sensor. - Throttle available. Controller:3 speed available LOW - MED - HIGH. DisplayHigh quality display, match with controller. management of the 3-speed, Pas system and LED lights. LightsLED light for front and rear. ChargerAC 100V,240V, smart charger. Main components: Frame:6061# Aluminum alloy,light weight. Front fork:Aluminum alloy suspension, ZOOM brand Handle bar:ZOOM brand Handle stem:Foldable, ZOOM brand Saddle:Foldable or suspension, comfortable. Brake:Front V, Rear V or drum. Brake lever:Aluminum alloy, cut-off when braking. Tires:20"x2.125; 16X2.125 Rim:aluminum alloy. Chain:Rust resistent chain. Derailleur:SHIMANO TOURNEY, 6/7 speed gears. Options:Basket, Helmet. Speedmeter etc. Mudguard / Rear rack / Chain wheel / Crank etc. All in aluminum alloy. Performance and Package: Max speed:25-32km/h Mileage:50-60kms per charge. Max load:100kgs Weight:20 inch NW.23kgs; GW.28kgs / 16 inch NW.21kgs; GW.26kgs Package:147*26*68cm,7 layers cartoon. Capacity:98pcs/20ft container; 216pcs/40hq container