bead seats

Dictionary of automotive terms. 2015.

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  • contre pente on both bead seats — Abbreviated CP2. A safety rim contour with a contre pente on both rim bead seats …   Dictionary of automotive terms

  • seats — See contre pente on both bead seats, folding rear seats, front seats, split folding rear seats, and split rear seats …   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

  • Tire — This article is about tires used on road vehicles, including pneumatic tires and solid tires. For railroad tires, see railway tires. For other uses, see tire (disambiguation) or tyre.Tires, or tyres (in American and British English, respectively) …   Wikipedia

  • Rim (wheel) — The rim is the outer circular design of the metal on which the inside edge of the tire is mounted on vehicles such as automobiles. [ [ Rim as defined by the Dictionary of Automobile Terms, undated] ,… …   Wikipedia

  • hump rim — designation for a rim featuring a safety contour (round hump, flat hump, combination hump) either on the outer or on both bead seats. This protection is particularly important with tubeless tires, where sudden deflation can occur if the tire… …   Dictionary of automotive terms

  • drop center rim taper — A passenger rim where both bead seats are tapered 5° or a tubeless truck rim where both bead seats are tapered 15° …   Dictionary of automotive terms

  • well-base rim — A wheel rim with a central channel or recess into which one side of the tire bead can drop; the other side can then be forced over the rim for fitting or removal. Wheels with well base rims are commonly used on passenger cars because they enable… …   Dictionary of automotive terms

  • hump — A raised portion on the rim bead seat of passenger car wheels, retaining the beads of an insufficiently inflated tubeless tire on the bead seats, thereby preventing the tire beads from jumping into the rim well. Also see flat hump hump rim… …   Dictionary of automotive terms

  • multi-piece rim — A rim type incorporating at least one demountable bead seat and/or rim flange to allow tire mounting. The opposite is a one piece rim. The bead seats of all multi piece rims (except flat base rims) have a 5° taper; rims incorporating the semi… …   Dictionary of automotive terms

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