The fizik cyrano r5 seatpost the cyrano r5 is the entry price point alloy seat post from fi39zik made anticorodal 6061 aluminium it is available in 2 diameters 272 and 316mm and 2 lengths 270mm and 400mm and designed to perfectly complement fi39zik cyrano handlebars and stems the saddle clamp is designed specifically to be saddle rail friendly ensuring an even dispersal of the load once a saddle is clamped in place there is lots of fore aft adjustment along the saddle ra