Old Ned
Old School Grand Master
If you think you've seen everything there is about chainwheels and chainrings (not necessarily the same thing!) then have a look here -
http://www.bikecult.com/works/chainwhee ... scope.html
Might take a moment for the photo archive to load but worth it.
http://www.bikecult.com/works/chainwhee ... scope.html
Might take a moment for the photo archive to load but worth it.
