Source google image: https://www.cyclo-randonnee.fr/upload/thumbs/f5c7439f743569afaba3fca4b388b03b-091109_155138_PEEL_AcHKuM.jpg
Potence reglable
Source google image: https://www.cyclo-randonnee.fr/upload/thumbs/f5c7439f743569afaba3fca4b388b03b-091109_155138_PEEL_AcHKuM.jpg