CRAZY RIDERS: Daredevil Michal Kollbek rides in Arizona Red Rock State Park

Michal Kollbek takes off-road cycling to new limits as he rides bike across famed White Line in Sedona, Arizona The 30-year-old Polish daredevil was captured .\r
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Rider Michal Kollbek ridding the White Line in Sedona, AZ. Filmed by Marshall Mullen To use this video in a commercial player or in broadcasts, please contact .