I have Mavic Reflex 622 x 13 (700c) wheels which currently hold 25mm tires. Can I use 23mm tires on them?
2 Answers
Looks like it, see Sheldon Brown (as usual). There's very little difference between 23 and 25 anyway.
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Depends on the application. There is a very large difference aerodynamically depending on the rim shape and depth that the tire is paired with. Admittedly this is primarily a time trial consideration, but tire/rim selection can have dramatic impacts on Cda.– JohnPJul 26, 2013 at 14:15
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