Forum:

Nederlands:
De racehelden van weleer.(motorsport buitenland)
www.deraceheldenvanweleer.nl

Deutsch:
Classic-motorrad. (aktuelles)
www.classic-motorrad.de

Italiano:
50ini epoca
www.50iniepoca.forumfree.it

Racing circuits/organisations:

K.N.M.V.
www.knmv.nl

Hengelo circuit:
www.hamove.nl
Linköping circuit:
www.lms.se:
German classic series:
www.klassik-motorsport.com

Websites 50cc racing:

F

50cc racing demo team:
www.golden50ccracingriders.nl

encyclopedia of 50cc racebikes:
www.elsberg-tuning.dk

big dutch Kreidler forum also racerelated stuff
www.kreidler.nl

eastern block racers
www.cold-war-racers.weebly.com

Jaap's collection:
www.50ccclassicracing.vpweb.nl

modern 50cc racing organisation:
www.freetech50.com

Rascha 50cc racing:
www.raschas-motorrad.de

​Freetech 50 racing site:
​www.freetech50.com