i agree+1 to that....... its what ive been saying all along in a bunch of other threads..... if you guys will just check your rpm you can figure your exact speed based upon gearing and tire size down to the 1/100th of a mph......
there is a detailed explanation on how to figure it in this thread here.....
http://www.gsxr.com/showthread.php?t=23897&page=2