Features: 3 wheels electric bike Aluminum alloy frame Strong 500W motor Adjustable stem 20" x 4.0" inches tyres LCD display Easy assembly The service cycle is determined by the using frequency and the user's weight. Specifications: Brake Distance of 3m-5m depends on speed. Power: 48V/500W Front drive Battery: 48V lithium cells, 12Ah Max Speed: 25km/h Max range: 60km(Assist mode) Tyres: 20" x 4.0" Brakes: Hydraulic Disc Brakes Gear system: Shimano 7 speeds Load Capacity(total): 150kg Load Capacity(basket): 30kg Basket Size: 48*38*37cm N.W.: 40KG G.W.: 46KG Package size: 148*80*80cm Package: 1 x Bike 1 x Charger 1 x Assembly instruction *All dimensions are measured manually with a deviation of 2 to 4cm. *Please Read Our Disclaimer for E-BIKE Products Friendly Reminder: Please try to keep your bicycle in a tidy and dry room after each ride. Especially when it has been used on a rainy or snow day, please clean it with a dry rag and keep it well maintained regularly. This is important if you'd like to get the most out of the bike. If your bicycle gets rust, please use a dry rag to wipe it off. Then slightly apply lubricating oil to it. Please well noted that the theoretical data here is for reference only. Actual data may differ according to different-weight of riders, speed modes, various terrains and riding slope.