Material: steel frame with socket for clicfix for basket. Maximum load: 100 kg. Weight: approx. 12 kg. Wheels: aluminum rims, aluminum hub, RD hub with quick release axle. Wheel size: 20 ". Brakes: V brake front and rear. Handlebar: Ergo with cloth covering. Tread surface: plastic Option: Klickfix roller holder, Klickfix basket.