The different protections against rain, cold and sun were designed, manufactured and assembled by VELTOP since 2007 in France. The brand VELTOP belongs to the society CYCLO-SYSTEM with the purpose to manufacture removable and light protections by bad weather for city bicycles, electric bikes, tricycles and cargo trikes, scooters for disabled persons and electric wheelchairs. La firm develops as well some optional accessories like the stabiliser for the handlebar to the protection of bike users. 90 % of these pieces compose the protection “ rain-cold-sun “ and are manufactured and designed by the firm. A network of nearby suppliers manufacture specific pieces according to their required competences. These realise for instant the bending of the tubes, the folding of the metal sheets, the polycarbonate of the windscreen ...... The material used are aluminium and in-ox for the metallic pieces, le polycarbonate for the windscreens and the polyester for the fabric.