It was initially unclear how the crash happened, although it appeared that one rider slid out in the front half of the pack, bringing more riders down. 

Later, local rider Mikel Bizkarra (Euskatel-Euskadi), who was not taking part in the race, observed on X, formerly Twitter, that “On that road, there are a lot of tree roots under the asphalt, which makes the road very bumpy. It's "easy" to go flying."

한명이 넘어지면서 도미노.

지역 라이더인 미켈은 그 도로 아스팔트 밑에 나무뿌리가 많아서 매우 범피하다.

그래서 날라가기 쉽다고 전했다.