Excellent running electric bike. Started as low end, has been modified into very capable one. See below for details. I built it for my son, turns out he is not into bicycling much. So its sitting without much use. Front and rear disk brakes (mechanical, 160mm) SR Suntour XCT fork (27.5") preload adjustable Wide rise aluminum handle bars (780mm) Short stem 27.5" front wheel with rotor disk (new rim and new tire) 44T narrow-wide front chain ring (changeable) aluminum crank arms and pedals...