Prologo cpc zero ii tirox road saddlean ideal saddle for short or medium distance riding where a frequent change in position is necessary new tirox rails stainless steel for a lower weight than the old ti 14 rails greater resistance and vibration absorbtion connect power control prologos patented name for these new saddles featuring dense bunches of short suction cup like gel polymer tubes this technology has been used in moto gp and formula 1 largely in gloves for the racers but pro