Fizik kurve carbon saddlekurvea saddle that adapts to your every twist and turn with greater comfort and flexibility the results and analysis of extensive research together with rigorous lab and field tests has resulted in the choice of a new material for the re flex areas kevlar which provides a superior combination of flexibility and incredible durabilitya carbon braided mobius rail has also been added to the range bringing the weight of these saddles down to a meagre 185g featuresshe