The GoExpress is the perfect e-bike for city and adventure. Comprised of a 6061 aluminum alloy frame that folds for easy storage, this e-bike is extremely versatile with 4 modes to select from such as pedal assist, electric, manual, or walk mode. The GoExpress has a top speed of 20MPH and can go the distance of 20miles (electric) or 36 miles (pedal assist) with a single charge. MOTOR: 48V 750 W Motor BATTERY: 48V10ah Lithium Battery CHARGE TIME: 4 Hours TOP SPEED: 20 MPH DISTANCE RANGE: 20 miles (electric only) , 36 miles (pedal assist) DISPLAY: LCD 48V 5 Level PAS SW900 PEDAL ASSIST: 1-9 PAS WEIGHT CAPACITY: 265lbs TIRES: 20 x 4.0 FRAME SIZE: 16 ” Note: The bike comes approximately 90% assembled. SAFETY FEATURES: LED headlight, Front and Rear Disc Brakes, and Fat tires. PERFECT USE FOR: Perfect blend of city and adventure DURABLE FOLDABLE FRAME: 6061 Aluminum Alloy folding frame, with folding pedals for easy storage ADJUSTABLE: Seat adjusts to riders with a height of 5’4″ and taller 4 MODES: Pedal Assist, Electric, Manual, or Walk mode COMFORT: Shimano 6 speed derailleur, front shock suspension, quick release axle on front wheel, and dual layered seat saddle to ensure a comfortable ride.