Not only that change; the seat stays went from straight to curved between 2003 and 2004.phillip-8727 said:here are some photos of karl menzies riding the 2003 giant tcr aluminium frame in the 2004 herald sun tour. Since the 2003 model, the frame had been improved with fluidformed welds and a different fork.
http://www.cyclingnews.com/photos/2004/oct04/suntour04/index.php?id=stage9/DSC_2484mensroadsigns
http://www.cyclingnews.com/photos/2004/oct04/suntour04/index.php?id=stage8/DSC_1920mensroadstalking
http://www.cyclingnews.com/photos/2004/oct04/suntour04/index.php?id=stage7/DSC_1805mensroadhungry
more photos can be found at
http://www.cyclingnews.com/road/2004/oct04/suntour04/?id=photos