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The combination of a tubular tyre and its tubular rim is lighter than that of a clincher tyre and clincher rim, and will therefore always result in less rotating mass or a stronger construction. [5] Tubulars can also be used over a wider range of tyre pressures from 1.7 to 14 bar (25 to 200 psi), compared to the typical 6-9 bar on a clincher tyre.
However, this type of tire is no longer in general use and the term clincher has transferred to the modern wired-on tire. For the remainder of this article, the modern use of the word clincher will be assumed. In an attempt to provide the best attributes of both wired and tubular methods, tubular clinchers have also been offered. [9]
There are three main types: clincher, wired and tubular. [41] Most bicycle tires are clincher and have a bead that presses against the wheel rim. An inner tube provides the air pressure and the contact pressure between the bead and wheel rim. [42]
However, tires not designed for the tubeless application do not have as robust a sidewall as those that are. [11] The drawbacks to tubeless tires are that they are notorious for being harder to mount on the rim than clincher tires, [11] and that the cyclist must still carry a spare tube to insert in case of a flat tire due to a puncture. [11]
Clincher tires can be mounted on straight-side or crochet-type rims. Crochet-type rims are not the same as hooked-bead rims. Such tires are designated with their nominal section width and their nominal rim diameter, separated by a hyphen (-). Both are measured in millimeters. A typical example of a tire marking according to ISO 5775-1 is:
Clincher A type of tire that uses a bead around the edge of the tire to attach to the rim of the wheel when inflated. The inner tube is separate. [7] Closing the door When a rider chooses to take a line (often toward the apex of a corner) with intent to block a rider behind them from successfully passing. Commissaire