http://www.anyie-bike.com/electric-bike/electric-folding-bike/ Product Specification Information Main ComponentsElectric System Frame20" Aluminium alloy foldingMotor36/48V 250/350/500/750W rear brushless motor Tire20" x 4.0 KendaBattery36V/10.4AH lithium battery Handle Bar&StemAluminum alloyChargerAC 100v-240v smart charger Front Forksolid forkPAS1:1 intelligent pedal assistant system BrakeFront and rear Disc BrakeThrottleThumb or Twist throttle Rear derailleurShimano 7 SpeedController48V 25A Intelligent brushless LightLEDDisplayLED / LCD Performance Max Speed35km/hRecharging Time4-6 hours Max load120KGSRange per power50km Product Features 1. Upgrade the brake brake to improve the safety factor of braking performance 2. Charging adapter is suitable for 110-240v wide voltage, in line with EU standards 3. Upgrade to stab-resistant tires and increase tire anti-light, maintenance-free, safer riding at night 4. The pedals are upgraded to aluminum alloy for improved quality and safety. 5. Saddle in line with European user size 6. The extended version of the folding handle, seat cushion, in line with the European user height Company Strength Display New Workshop CertificateElectric Folding Bike factory website:http://www.anyie-bike.com/electric-bike/electric-folding-bike/