A sloped part high-speed escalator, wherein a plurality of steps are endlessly connected to each other and moved circulatingly, the drive roller shafts of the steps adjacent to each other are connected to each other through link mechanisms, the intervals of the drive roller shafts are varied by the transformation of the link mechanisms, and an outer peripheral length variation absorbing mechanism is installed at the inverse part of a step circulating route to absorb a variation in outer peripheral length of a polygon formed by linearly joining the axes of the drive rollers while guiding the movement of the driver rollers at the inverse part.