At 03:41 9/25/2006, I wrote: You might ask Sheldon Brown, captbike *at* bikexprt.com. Whoops, Perils of typing in URLs while on autopilot. Sheldon is captbike *at* sheldonbrown.com. Thanks to my wife for hawkeye acuity while just breezing by my computer! John S. Allen jsallen *at* bikexprt.com http://bikexprt.com