Sitero Size:130mm because a light bike is

because a light bike is easier and more fun to ride

and a comfortable

and ride quality previously thought impossible

2 motor and MasterMind Turbo Control Unit (TCU)

Using pressure mapping

Sitero Size:130mm because a light bike isDesigned 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