A cup holder comprises two or more collars, a handle and a support ring. The invention further relates to a heat exchanger with a pipe connection of this kind and a connection method for producing a pipe connection. The vehicle further has a steering apparatus and a steering wheel operable to control the steering apparatus so as to alter difference in the running speeds between the crawlers. A second electrode is formed in the portion of the via left unfilled by the dielectric layer. The lower side plate portion is adapted to be mounted to a lower portion of the seat back tube at a position substantially co-linear to the posterior superior illiac spine of a user.