1600 Watt Brushless DC Motor with 52V 23.4 Ah Lithium Ion Battery 32 Mph top speed with a 30 mile range between battery charges 4 Selectable Rider Modes - Standard Hi/Low and Sport Hi/Low (Sport is Hidden push button) Handles a unisex rider up to 350 lbs Front and Rear Hydraulic Disc Brakes Mid sized bike comfortably sits a average size adult Size: 53" x 13" x 26" (110 x 28 x 63) Wheel Size: 90/90-R10 (16" Diameter)