Free learning from The Open University: www.open.edu/openlearn/science-maths-technology --- Have you ever wondered how technology has changed the bike and bike design from a simple steel tubed design to the state of the art aerodynamic machines today? (Part 2 of 4) Playlist link - www.youtube.com/playlist?list=PL61396062D65997D0 --- Study at The Open University: www3.open.ac.uk/study/undergraduate/course/s172.htm ---