Prologo nago evo pas t2.0 saddle the pas system is a processing of the base of the saddle, the hole or channel has been designed to eliminate pressure to a zone of support delicate as the pelvic area. Prevents pressure peaks in the prostate area, ensuring optimum comfort. Prologo has also equipped this version with a pas perineal area system, which eliminates pressure peaks and numbness in the pelvic area. This makes it perfect for riders who enjoy going the extra distance, while it keeps you comfortable and in control on the toughest of rides.this is a system studied, designed and recommended to eliminate pressure and numbness in the pelvic area prostate.t2.0 fork in chromium hrc 39 2 is a perfect compromise between mechanical resistance and technical. It is used in the aerospace and construction of arms. Material solid that does not fear any kind of stress.shape semi roundend use roadlearn more, with the prologo buying guide.featuressize 275x134mm 275x141mmweight 260g 262gbase nylonrail t2.0 7mmcover microfiberpadding light pu pas perineal area system buy fsa components from chain reaction cycles, the world's largest online bike store.