PROLOGO DIMENSION AGX SPACE 153 BLACK w/SLIDE CONTROLSuper ergonomic, flat nose saddle with a short slender nose and wide tail for improved power transfer in or out of the saddle 3D `Slide Control` technology on the cover, increases the grip on the saddle, further increasing the control of the bike during both pedaling and off saddle riding The further increased 153mm width of the Space model helps to distribute the weight of the athletes on a larger surface, ensuring greater comfort for long rides The