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Wheel structure |
1 - | Wheel rim flange |
q | Stop for tyre side beading |
2 - | Hump (H2) on both shoulders of rim |
q | Prevents the tyre slipping off the shoulder of the rim while driving through tight bends |
q | Extended hump (EH2) - prerequisite when using tyres with run-flat properties → Chapter |
3 - | Well |
q | Eases fitting/removal of tyre |
A - | Width of wheel rim |
q | Distance between tyre contact surfaces on both rim edges of wheel |
q | Dimensions in inches |
B - | Wheel rim diameter |
q | Distance between tyre contact surfaces on opposite tyre shoulders |
q | Dimensions in inches |
C - | Wheel offset |
q | Vertical distance between centre of wheel and wheel inner contact surface |
q | Dimensions in mm |
D - | Pitch circle diameter |
q | Diameter of circle for wheel bolt holes |
q | Dimensions in mm |
E - | Centre hole |
q | Used to centralize |
q | Dimensions in mm |