The products have been developed in dialogue with the users and have now been produced and tested for more than 25 years. Frames for the trailers as well as for the transporter trike are welded and/or soldered together form high-quality steel / alloy profiles and tubes. Afterwards, the frames are electroplated and lacquered or powder coated. As standard the products are fitted with a box of 9 mm marine plywood. The factory always tries to find the very best equipment for its products. Safety, quality, and durability are given the highest priority. All together the above mentioned points make the christiania bikes robust, safe in traffic, and usable in all kinds of weather.