Effortless Commuting. The Step-Thru Electric Bike. Designed for everyday adults who want a practical, comfortable, and affordable electric bike — the U4 feature a low step-through frame that makes mounting and dismounting a breeze. ?? Step-Through Frame Design The low step-through frame is ideal for riders of all ages and abilities — no more swinging your leg over a high crossbar. ? Impressive Range U4: Up to 55 miles per charge ?? Removable Battery Easily remove the battery for convenient indoor charging — no need to bring the whole bike inside. ??? Safety Features Front suspension fork, disc brakes, integrated LED headlight and rear taillight, and a rear cargo rack for everyday practicality. ?? LCD Display Handlebar-mounted display with thumb throttle, brake levers, and integrated bell for intuitive control.