Folding frame to put in your trunk boat or carry up to your apartment. Ananda E-System - handlebar mounted with Pedal Assist walk mode and more. Battery cna be charged on and off bike. Tektro mechanical disc brakes and 180mm rotors. 20x2.1" City tires. Front and rear lights are battery operated. Easy-change rear wheel removal system. All-in-one tool for for easy maintenace. UL2271 & UL2849 Safety Certified. 6061 Aluminum frame and alloy fork. Motor - 350W rear hub. Battery - 360Wh/36V 18650 cells. 350lb Recommended weight limit.