rim bead seat
1rim bead seat — The portion of the wheel rim below the rim flange providing radial support to the bead of the tire …
2rim bead seat taper — The narrowing of the rim width towards the rim well. The taper must be designed to lock the tire to the rim and provide a good seal; well base rims for passenger cars have a 5° taper, those for commercial vehicles have a 15° taper; flat base rims …
3bead seat — The portion of the wheel rim below the rim flange providing radial support to the bead of the tire. See also rim bead seat taper rim bead seat safety bead seat …
4bead seat taper — See rim bead seat taper …
5safety 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 …
6bead 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 …
7bead — [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… …
8seat — [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.… …
9seat taper — See bead seat taper rim bead seat taper …
10bead base — The part of the tire bead which is in contact with the rim bead seat …
