Cyrano r5 seatpost cyrano is fiziks latest range of cockpit components comprising handlebars stems and seatposts which are all designed to work together to give every rider optimum bike fit the cyrano seatpost range features three models 00 r1 r3 and r5 which correspond to the handlebar materials specifications all are available in a number of diameter and length options the cyrano r5 seatpost is made using ergal aluminium a 7075 series aluminium with a high strength to density