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road tires(2 posts)

road tiresRedcross
May 9, 2001 10:53 AM
My new road bike came with Shimano WHR-535 wheelset and 700x23c tires.

My question is: what other tire diameter will work w/ this wheelset, and what are the advantages/disadvantages of say, going to 700x25c tires (for training purposes)?
re: road tirespmf
May 9, 2001 11:07 AM
700x23 is the pretty standard tire size these days. Any 700 size tire will fit on your wheelset, but not necessarily your bike. For example, you could put a 700x30 cross tire on the wheels, but it would probably rub against your fork and therefore not be an option.

Generally, larger tires are more comfortable and less likely to get flat. They are also heavier and have more rolling resistance. So, its a trade-off. One compromise I do with aero wheels is put a 700x23 on the rear and a 700x20 on the front.

Its also worth noting that these measurments refer to the height, not the width. There is some correlation, but still, differences. A Michelin 23 is much wider than a Conti 23. If you have Contis, you might want to try Michelin or Vredestein (for example) in the same size. They'll be wider.

As for 25's, there is nothing wrong with running 700x25 tires. If the 23's feel to narrow, try a pair of 25's. The only problem I could forsee is that not many companies make them.