Electric Flatbed Cargo Trike | Green Delivery Revolution Frame: GTAW- Reinforced Tig welded Steel Wheel: Aluminum Rim hub, 24? x 2.115 , stainless spokes Fork: Triple forks Handle bar: Aluminum stronger handle bar Brake: front disc brake, rear Tektro E- twin hydraulic disc brakes from Taiwan Shifter Derailleur: Shimano 8 speed Flat bed dimensions: 47.5? x 35.5? Max. load: 660 lbs. Motor: Unite rear motor, 500w brushless (or 1500W with the PowerBooster) Battery: 48V 20Ah Controller: High brakes for safety driving Power assisted: Throttle and pedal sensor Max speed: up to 20 m/h Range: up to 40 miles Charger: Standard US charger, Charging time: 8~12 hours Lights package: Head lights, side lights ,tail lights, with brake lights, with horn Seat height from ground: 32-40? Handlebar height from ground: 44? Total length: 102? Wheelbase: 78? 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