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bi-winning
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Clincher. With this system the bead of the tire hooks into a groove on the inside of the rim to secure the tire to the rim. Practically all mountain bike tires uses this interface. The other option is tubular, where you glue the tire to the rim. Tubulars are popular on cyclocross and road bikes.

Folding bead. This simply means that you can fold the tire. The bead of the tire has kevlar (or similar) fibres.

Wire bead. The wire is stiff, and the tire is not foldable. A wire bead tire is usually ~50g heavier.
 

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bi-winning
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11,109 Posts
supergringo said:
Thanks for clearing these definitions up.

Out of curiosity, how does it work to glue a tire to a rim? What happens if you have a flat? Is it a pain to operate?
Overall, yes, I'd say that tubulars are more of a hassle, though I have not dealt with them personally. Many suggest only using them for racing, where you have access to either a wheel pit, or a team car following you. :p

If you get a flat and need to deal with it yourself, you can either try to inject some sealant into it (which won't always work) or carry a spare tire.

Check out this link for a DIY guide to tubulars:

http://forums.roadbikereview.com/showthread.php?t=151867
 
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