Sitero SaddleDesigned with our Retl fit specialists, doctors, and engineers, the Sitero is the best fitting saddle for aerodynamic time trial positions. A wide channel, progressive shape, level 2 padding and multiple width options provide optimal comfort and support for long distance rides in an aerodynamic position. And to further ensure that this is the best Triathlon Time Trial saddle on the market, it features hollow Chromoly rails and SWAT mounts that allow