Scary crash video shows the moment a rider plummets off mountain road into ravine

This is the video of the frightening moment a rider hit a roadside barrier on a fast descent, and fell around 10 metres off the edge of the road, amazingly walking away unscathed.

The video was posted on Twitter by former pro Joaquim Rodriguez, with a chest-mounted camera catching the moment where it all goes wrong as the rider approaches a right-hand bend on a high-speed descent.

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It appears that the rider's rear wheels slips out, forcing him to carry straight on over the metal barriers.

The rider's Merida Reacto bike stops dead at the barrier, flinging him over the fence and straight down a sheer drop into some trees and undergrowth.

Thankfully the rider is unscathed, picking himself up and climbing back up to the road where two cyclists are waiting and check that he is okay.

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Rodriguez tweeted the video with a translation that many riders should be able to relate to:

"Behaviour of a cyclist when you fall! First: I am well. Second: And so is my bike? Third: Well fix the shifter and continue! 👌🏼"