2017 cpc zero c3 132 nack saddle the zero c3 is prologos flagship road saddle featuring the best of saddle technology the full carbon base and rails offer lightweight and unrivalled stiffness whilst maintaing shock absorbtion qualities critical to the reduction of fatigue the shape is flat ideal for aggressive positions in short to medium distance rides this is an out and out race saddle or for those that ride at race speeds and will settle for no less than the best specifications size