Prologo cpc tgale pas nack saddlethis flat saddle has been especially designed to get the most out of time trial events. The nose is 4cm shorter than a normal saddle making maximum power output to a higher level possible. It also aids the removal of pressure in the same pelvic area when laying the power down.pas system perineal area system this system is designed to eliminate pressure spikes and numbness in the pelvic area. The pas system is achieved thanks to an advanced memory foam style padding which shapes to the rider's sit bone shape. This ensures that pelvis movement during very long distance cycles is not strenuous. The final result is comfort and performance with no feeling of fatigue or numbness.shape flat end use triathlon learn more, with the prologo buying guide.featuresshell carbon injection monocoquerail tiroxcover microfiber cpcpadding light foamlength 240mmwidth 128mmweight 228gbuy prologo components from chain reaction cycles, the world's largest online bike store.