KinderBike E Series 2014 Bike LIMITED LIFETIME WARRANTY - The best warranty in the industry Extremely lightweight and sturdy, alloy steel frame ; Total trainer weight just 5.9 pounds Fully adjustable handlebar adjusts easily with a quick-release alloy collar ; Handlebar color coordinated with frame Lightweight EVA wheels; Puncture proof tires Sleek wide-pad saddle for max comfort and optimum riding angle, Approximate seat range of 11"-14"