Originally Posted by HereNT
So I broke down and bought a real computer because my GPS just wasn't doing the trick for me, and I've got a quick question :
If I'm running 700x23c Conti Ultra 2000's, should I still be using the 23c setting in the computer?
You could start out with the 23c setting in the computer (rolling diameter 2097mm, per
Sheldon), and use your GPS to fine-tune it.
-JAB