The Eahora XC100 is fashionable, lightweight and the 26 inch* 2.0 wheels are suited to both urban and trail environments in good road conditions, making the Eahora XC100 an ideal bike for both commuting and outdoor exercising. Using high-density Samsung cells, the 48V 10.4Ah battery offers assisted travel of up to 55 miles per charge. The battery also has a USB port for charging mobile devices. The E-PR technology is a regenerative technology that allows the bike to have a longer mileage: 60 to 80 miles (> 15 mph at PAS 0/1 or going downhill without energy consumption). E-pas also optimizes the efficiency of the ECO system and extends the lifetime of battery and motor. Smart COLOR LCD Screen is IP65 waterproof and LCD backlight is convenient for you. The 350-watt high speed brushless rear motor provides powerful power to XC100 and helps you reach 20+ MPH with ease (Rider weight<180LBS, flat road and full power). The SHIMANO 7 SPEED SHIFTER works in both electric and pedal assist modes allowing you to switch gears on different roads making riding easier while saving energy.