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Home >> Audi >> 2023 >> A5 Quattro Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 46 (Wheels, Tires, Wheel Alignment (Wheel & Tire Guide) (Coupe)) >> 44 Wheels, Tires, Wheel Alignment >> Rim Information >> Rim, Structure

Rim, Structure

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Fig 1: Exploded View Of Rim
GWWN44-10340Courtesy of AUDI
  1. 1 -  Rim Flange
    • Stop for the side tire bead
  2. 2 -  Hump (H2) on Both Bead Seats
    • Prevents the tire from slipping off the bead seat when driving around tight curves
    • An extended hump (EH2) is required when using run-flat tires.
  3. 3 -  Bed
    • Makes it easier to mount the tire
  4. A -  Rim Width
    • Distance between the tire contact surfaces on both rim flanges
    • Dimensions in inches
  5. B -  Rim Diameter
    • Distance between the rim contact surfaces on the opposite bead seats
    • Dimensions in inches
  6. C -  Offset
    • Distance between the vertical wheel center and the inner wheel contact surface
    • Dimensions in mm
  7. D -  Pitch Circle Diameter
    • Circle diameter where the wheel bolt holes are located
    • Dimensions in mm
  8. E -  Center Hole
    • Enables centering
    • Dimensions in mm