youtube.com: http://youtu.be/Gkw7w-_fldk?a
Arvis Dermaks riding Elite section 9 in Blansko, Czech republic on 25th Biketrial World championship.
Arvis Dermaks (LAT) Elite Section 9 on B.I.U. World BikeTrial championship 2016 Blansko CZ (R1): via @YouTube