Fizik antares vs manganese saddlefiziks antares vs manganese saddle features a relief channel that runs the full length of the saddle for reduced pressure on the perineum area under fiziks spine concept system it falls under the chameleon category i e its for those with a medium amount of flexibility and medium pelvic rotation when pedalling it also features fiziks wingflex technology which allows just the right amount of flex for thigh comfort without overly sacrificing on power