The eTravel bicycle with the standard mirrors and the optional large seat with back rest. Motor Rear hub motor Brushless 550W with PowerBooster 1000W Battery 36V10AH Li-ion life time: 800 times PAS display Highly sensitive Pas Led display Controller Intelligent bruhsless Charger AC 100V-240V 2 amps Smart Charging time:4-6 hours Lighting Front rear light,LED Performance Max speed up to 20 m/h Range up to 40 miles per charge Max load 280 lbs Main Components BB parts Sealed, Neco brand Chain Cover Half Surrounded Seat city seat,Velo Brand Spoke Stainless steel Frame 6061 al alloy,26? Tyres 26?*1.95 city tires KENDA brand Rim 26?*1.75 al alloy CNC double wall Front fork Al alloy Suspension Fork,TGS Front brake Disk Brake Rear brake V or Disk Brake Rear derailleur Shimano Speed gears Shimano 7 speed Handlebar Al alloy Stem Al alloy adjustable Brake lever Al alloy with Braking cut-off Chain Rustless chain Chain wheel 44T*170,Al alloy crank Mudguard plastic mudguard Rear rack strong alloy rack Saddle city style saddle Seat post alloy with CNC Pedal alloy pedal.Wellgo brand Warranty: it gives you a peace of mind that your scooter comes with a full one year warranty. The above specifications are approximate only. For exact measurements, if necessary, please contact the manufacturer prior to purchasing. ALL CUSTOMERS MUST READ OUR STORE POLICY AT MobilityScooTrike.com's Policy