500W POWERFULL MOTOR: Equipped with 500W high speed brushless motor, increases stronger hill-climbing power, provids more than enough to power your daily commute, a cruise on the mountain, or a meander along your favorite trail. With speeds up to 25 mph,it will get you there swiftly LARGER CAPACITY BATTERY: Up to 28 miles per charge with the powerful 48V 13Ah battery. Plenty for a day's adventure or most trips to work and back. You can charge on/off the ebike by your convenience. No worry for being stolen UPGRADED LCD DISPLAY&BRAKE: 5 Speed Display, Speed Display, Battery Level Display, Mileage. You can have more choice for 5 speed mode than normal 3. The LCD display guarantees you can read your statistics easily.With Tektro mechanical disc brake, this brake make a good performance in all-weather situation, allow you to stop the bike swiftly.Front and rear mechanical disc brakes provide powerful, progressive braking even in rainy conditions UPGRADED FAT TIRE: 27.5*3 inch Fat tire.You can go on the ice swiftly as if you rid on a perfect dry road.Also, it is quite comfortable on a flat road but rather than tough on a rough terrain,If you often have rides on off road you may pump low pressure in tires and it will be even more effective on rough terrain and more soft and comfortable SERVICE AVAILABLE: This bicycle arrives 85% assembled. It's not hard to finish assembly by yourself---Watch video on RATTAN STORE. The assembly service on this page is provided and charged by third-party company partnered with Amazon. If you can't finish by yourself, you can click and choose the service