Definition
Proper bead seating prevents leaks after mounting.
Beadlock wheels clamp the bead for extreme off-road and drag applications.
Automotive Wiki
Tires & Wheels
Bead Seat
The rim area where the tire bead seals against the wheel under inflation pressure.
Related terms
- Tire CompoundThe rubber formulation determining grip, wear, and temperature range.
- Wheel OffsetThe distance from the wheel mounting surface to the centerline of the rim.
- Wheel BackspacingThe distance from the mounting surface to the inner edge of the rim.
- Plus SizingMounting larger-diameter wheels with lower-profile tires while maintaining overa…
- Tire PressureInflation pressure affecting contact patch, heat buildup, and wear.
- Treadwear RatingA UTQG number estimating tire life relative to a reference test tire.
Category: Tires & Wheels · Updated August 31, 2026