Relieving the pressure in the perinereal area to keep you primed in the triathlon seating position the Zero Tri PAS Saddle with 2.0 rails is outrageously comfortable and ready to deliver performances of the highest level. Padded with light foam pressure to the pelvic area is also reduced thanks to the PAS system. Utilising 2.0 rails, there is a chromo-molibdeno rail that has a very high tensile strength and a 7mm rail clamp.