Join Date: Nov 2004
Bikes: Pinarello Rokh, Look 586, Merckx Corsa 01
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I've been on GP 3000's as well for a year or two, after I bought a batch from a guy who was closing up shop. I've managed to wear some of them out without ever having a flat, which is the big plus. Recently put on some new 4000 "s" .. you can certainly feel the difference, they're a lot zippier. Will try the ProRace 2's next time, as I'm curious. FWIW, there's quite a difference between the standard 4000 and the "s" version based on the figures I've seen. The "s" is lighter, has lower rolling resistance, and more grip .. which is what we need of course.