The antares 00 00 meaning the top in italian is the top of the line saddle available in this shape the high modulus carbon shell with wing flex and mobius carbon braided rail new for 2016 make this the lightest and most stiff antares model available despite the saddles very low weight special 00 foam compound ensures that comfort is not compromised antares 00 is for the chameleon medium spine if you have an intermediate degree of spinal flexibility approximately 90 degrees betwee