I have an older schwinn super le tour and I'm looking to buy some new tires. I'm new to all of this and was wondering what tires I need to buy. The size of my rims are 27'' 1 1/4. I have found some tires online but they say they fit clincher rims... I'm not sure what clincher rims are... Any help? Thanks!
i think its the shape of the rim that goes by the tube, when the tube inflates it kind of goes like a hart shape
to stop pinch flats and things, like goes oposit to normal, normal making it round oviusly...
Rims for tubular tires, referred to "sprint rims" in Britain
Most bicycle rims are "clincher" rims for use with clincher tires. These tires have a wire or aramid (Kevlar) fiber bead that interlocks with flanges in the rim. A separate airtight inner tube enclosed by the rim supports the tire carcass and maintains the bead lock. If the inner part of the rim where the inner tube fits has spoke holes, they must be covered by a rim tape, usually rubber, cloth, or tough plastic, to protect the inner tube.
An advantage of this system is that the inner tube can be easily accessed in the case of a leak to be patched or replaced.
The ISO 5775-2 standard defines designations for bicycle rims. It distinguishes between
Straight-side (SS) rims
Crotchet-type (C) rims
Hooked-bead (HB) rims
Traditional clincher rims were straight-sided. Various "hook" (also called "crotchet") designs emerged in the 1970s to hold the bead of the tire in place, allowing high (6–10 bar, 80–150 psi) air pressure.
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