A powerful and cost-effective mountain e-bike with 750W rear motor and 48V/13. Its shock absorption equipment and mountain tires allow your unimpeded ride on rough roads. Full charge ride endurance:over 20 miles , the range depends on whether you use pedal assist power more or throttle power more. Brushless gear rear 750W Motor provide strong power. Maximum vehicle speed:25 (Rider weight 260 lbs, flat road and full power). 48V/13, so you can bring the battery to your home or office to recharge. Charging time:Approximately 6-8 hours. Pedal Assist model:pedal 180 degree motor start to work. 90% Pre-assembled. 26 x 4.0 Fat Tire in all road fat tire-durable all condition road- more than safe, balance, fast and stable for your cycling. Max loading:260 lb. Please pay attention to the size and weight of the bike in case it is too big or heavy for you to ride. LCD display panel, 36v power display , 6km cruise at constant speed, five-gear cycle display, speed limit can be set, one key repair function, line length:1500. 48v/22a brushless controller. Updated:there is a Usb port under the meter, allows you to charge your phone while traveling. (the holder to install the phone need be purchased by yourself)