SUBSCRIBE: A fearless bike rider has achieved a world first - by riding across a gorge 370ft above the ground. The nerve-shredding stunt .\r
\r
CLICK CC for subtitles! » Watch the making of the clip here: Kenny Belaey rides a slackline over a 112m drop in the French Alps at an .\r
\r
CLICK to watch the original video: After more than a year of preparation and three months of intensive training Kenny Belaey .\r
\r
A daredevil bike-trail rider Kenny Belaey, achieved a world first - by riding across a gorge 370ft above the ground on a 60ft long slackline strung between two .