The frame of the Carqon bike is made out of aluminium. An aluminium bike frame has many advantages over a steel frame and has therefore exploded in popularity.
An aluminium frame weights about a third of a steel frame which is very beneficial to the riding experience on a cargo bike.
The stiffness of the aluminium frame combined with its geometry and the front suspension provides a perfectly balanced road holding and steering characteristics.
Contrary to steel, aluminium is not prone to rust and makes it therefore very low-maintenance. Aluminium frames are in general more weather resistant than steel frames.