Description: Frame material: aluminum alloy, large frame tube diameter 25mm, tube wall thickness 1.2mm, good safety performance, foldable structure, beautiful and durable, easy to use. Foot: tube diameter 28mm, tube wall thickness 1.2mm, height adjustable, foot pad material for wear, elasticity, surface friction coefficient of high non-slip rubber material, landing performance, good stability. The front wheel outer skin is made of high quality rubber material, which is non-slip and wear-resistant. The wheel hub is made of engineering polypropylene material, strong and durable. Handle height: height adjustable, with foam handle, non-slip, comfortable; 8-speed adjustment. Overall dimensions: (length, width and height) cm:52×48×(71-83) Foldable and orientable. Maximum load capacity 110kg;