Bike Forums - View Single Post - What does the "C" mean in a tire size

01-29-11 | 04:00 PM

#7

flanso

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Joined: May 2008

Posts: 364

Likes: 57

From: Tampa

Bikes: Ritchey Outback 12-speed Ultegra Di2, previous bikes starting with the earliest: Lambert, Giant FCR3, Cannondale Synapse Carbon 105, Specialized Roubaix SL4 Comp Ultegra Di2, Gunnar Sport 105/Ultegra Di2.

Take a look at the Nashbar site, http://www.nashbar.com/bikes/TopCate...27_-1_200276_N
Expand "by size" on the left side of the page. You will see, for example, separate listings for 700x23 and 700x23c. The same for many other widths; some with c and some without. My question is, whats the difference between the sizes with and without the c?

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