CYCLE BABBLE
'(<a href="http://www.j-archive.com/media/2009-11-27_DJ_24.jpg" target="_blank">Sarah of the Clue Crew reports from Trek Bicycle Corporation in Wisconsin.</a>)  I'm at Trek Bikes with the most popular frame design the diamond, or double this shape; it hasn't changed much since the 1880s & gives the bike its strength'
triangle