Originally Posted by PenguinDeD
53-17 for anything above 23mph, and 53-19 for 19-23mph. In a pack I sometimes drop into my 15T, but I can stay in my 17T pretty comfortably up to 28mph.
You must definitly be a spinner. I use a 53-15 and no lower for anything about 28+ in a paceline or race, even down to 25 MPH but at that speed the 16 is a better gear... I am spinnign something like 80 - 90 RPMs in the 15 gear...