Very good promo price produit.acheté therefore relatively easy and abordable.montage rapide.selle adjustable in height and depth, which is pratique.nombreux programs and levels of intensités.pour now I find it very flat bien.seul , the saddle "gel" .I immediately saw she was going to be unpleasant because very hard unlike what is said on the descriptif.j'ai bought a saddle covers sports shop in gel 9 euros and now everything is ok.