In Advance of there have been choppers, there was the bobber, a motorcycle that were "bobbed", or relieved of excessive fat by eliminating sections. Plasmolen Mookerhei route (2604998); een route langs de Maas en above de Mookerheide en door de de bosrijke omgeving van de Wolfsberg en de Sint-Jansberg en http://smartwheelz.nl/