Thread Killer
Join Date: Aug 2008
Location: Ann Arbor, MI
Posts: 12,470
Bikes: 15 Kinesis Racelight 4S, 76 Motebecane Gran Jubilée, 17 Dedacciai Gladiatore2, 12 Breezer Venturi, 09 Dahon Mariner, 12 Mercier Nano, 95 DeKerf Team SL, 19 Tern Rally, 21 Breezer Doppler Cafe+, 19 T-Lab X3, 91 Serotta CII, 23 3T Strada
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The differences can be noticeable, the gains tiny. I wouldn’t worry about losing performance; 23s will keep you on front of the A group if that’s where you ride…or midpack C if that’s where you ride. In other words, a couple millimeters of tire isn’t doing anything magical, so it’s probably not worth the hassle of return and wait.