Changes

* [https://fixme.ch/wiki/Adaptation_du_design_du_Long_Andr%C3%A9#Tube_de_direction_court 48 x 2 mm à l'avant (tube court, )]** préparation du tube cf. [http://www.parktool.com/blog/repair-help/head-tube-reaming-and-facing]** à terme fourche tapered 1.5-1 1/8"jeux ZS** actuellement fourche 1-1/8", jeux ZS 44/28.6 (cf. [http://www.parktool.com/blog/repair-help/headset-standards#article-section-4])** installation course de la fourche cf. [http://www.parktool.com/blog/repair-help/threadless-headset-service#article-section-5]