The zero ii is flat saddle ideal for short distance riding and frequent changes in the riding position specifications size mm 278 134 278 141 weight g 204 206 base carbon injection monocoque rails tirox cover microfiber cpc padding light foam technologies pas perineal area system this special cutaway technology eliminates pressure spikes and numbness in the pelvic area unlike regular cut outs the particular shape of the foam mold leaves the base intact and e