Mountain Bike Parts Diagram

 

Source :

http://www.beaudaniels-illustration.com/technical-drawing-site-2/sketch.html

http://www.hubinero.com/content_pages.php?page=custom_page&topic_id=53

http://links.everyguyed.com/87aa77433c933d56/?web=9569fb&dst=http%3A//blog.gessato.com/2010/12/19/aarline-typographic-anatomy-of-a-bicycle/