BMX Supercross riders defend their home-turf in Holland against the best of the rest. Then Freestyle Motocross lights up Switzerland, before we check out the Mountain Bike dirt jumpers at Freestyle.ch., BMX Supercross riders defend their home-turf in Holland against the best of the rest. Then Freestyle Motocross lights up Switzerland, before we check out the Mountain Bike dirt jumpers at Freestyle.ch.