bead seat

bead seat
The portion of the wheel rim below the rim flange providing radial support to the bead of the tire.
See also

Dictionary of automotive terms. 2015.

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Look at other dictionaries:

  • bead seat taper — See rim bead seat taper …   Dictionary of automotive terms

  • bead seat diameter — The measurement of tire diameter, at the bead heel, where it seats on the rim. It is marked on the tire sidewall following section width …   Dictionary of automotive terms

  • bead seat mat — A seat cover made of a network of wood beads …   Dictionary of automotive terms

  • safety bead seat — A general term for a safety contour on the rim bead seat preventing the tire bead from sliding into the rim well especially during cornering maneuvres …   Dictionary of automotive terms

  • rim bead seat — The portion of the wheel rim below the rim flange providing radial support to the bead of the tire …   Dictionary of automotive terms

  • seat — [1] A surface upon which another part rests or seats. Example: valve seat is matched surface upon which valve face rests. [2] Minor wearing of the piston ring surface during initial use. Rings then fit or seat properly against the cylinder wall.… …   Dictionary of automotive terms

  • bead — [1] The portion of a tire which fits onto the rim of the wheel. On a tubeless tire, the contact of the bead with the rim seals the air into the tire. Bead heel, bead sole, and bead toe form a foot like shape. Also see tire bead. [2] A small ball… …   Dictionary of automotive terms

  • seat taper — See bead seat taper rim bead seat taper …   Dictionary of automotive terms

  • bead base — The part of the tire bead which is in contact with the rim bead seat …   Dictionary of automotive terms

  • bead toe — The bottom portion of the tire bead in contact with the rim bead seat …   Dictionary of automotive terms

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