Jan Heine wrote:
> I often have wondered why most bicycles use head angles of 71 to 74
> degrees, with few exceptions.
Design of the bike has been a process of trial and error over the past 140 plus years. The head angle (along with all other dimensions and angles) was arrived at by what felt/functioned the best.
+--------------------------------------------------------+ | While out riding my bike I wondered who was the first | | to dream it was possible to eliminate half the wheels | | of a cart and balance on the resulting contraption? | | --Chuck Schmidt | +--------------------------------------------------------+ Chuck Schmidt South Pasadena, Southern California United States of America http://www.velo-retro.com (reprints, t-shirts & timelines)