Originally Posted by Dawes-man

This is a chainwheel I like very much, from Mark Stevens' Flickr pages - he keeps a Gillot register and has lots of nice stuff. He says it's made by a company called Hurtu and he found it in Portugal. Looks pretty 'artisanal' to me:
[IMG]
1949 Gillott with Osgear by Mark`Stevens ModelCrafter, on Flickr[/IMG]

Doesn't look to me like it'd be too difficult to make...

My favourite cotterless Stronglight Competition crank, too