I've been thinking--for a few seconds at a time--about single-speed, lately, too. The idea appeals to my: (1) love of the classic and elegant; (2) character of reverse snobbery; (3) abhorrence of planned obsolescence and so-called "upgrades" which are really downgrades (the bane both of modern cycling and of personal computing--can you say "Shimano" and "Microsoft"?)

I am going to look at your site, riderx, in the hopes of learning something. No promises--there are lots of hills around here...and I'm no athlete...but...(trailing off and trying to occupy mind with something else)