maybe he rides one of those ebay bikes with the "finger tight 16T" cog?
[EDIT]
you could try this...
http://fixedgearbikes.blogspot.com/2...-rotafixa.html
or search the forums.
Last edited by cizzlak; 06-10-08 at 10:05 PM.
Reason: figured i would at least try to be helpful while being snide