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After missing out on the podium by 5 seconds in my last race I've been getting irrationally uptight about this shit too. I came to the conclusion that my slow front wheel was to blame so I've swapped out the ADR trispoke/22mm conti Attack for a Knight 95/conti tt 23 mm because i saw a graph saying the knight was 4w faster than a Hed 3 at 45 kmh and I've seen a few pros running 23mm tt on that rim so they should know right? The knight is 25.5 mm so only a fraction wider than your 808 fc so 23's could work better for you based on my logic that doesn't even make sense to me now reading it back. But maybe I've got this all wrong and if i don't at least podium at my next race as it wasn't the front wheel holding me back after all it must be a TT extension issue despite going down to 1mm aero tape. For me training smarter and racing harder is a last resort whilst there's cool aero things to buy.
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Retro_Bastard
pifko
Anyone have any aero data for 23mm vs 25mm Vittoria Corsa on Zipp 808 FC rim?
For the 12hr I ran 25mm f+r but I wonder if I should stick 23mm on for Sat 10mi (and actually, if 23mm is faster maybe use one on the front for 12hr?)?