Red and Yellow tire dots

[Trimjb]

I always wondered about this but never took the time to research it. As per google -

Yellow and red dots on new tire sidewalls are quality-control markers indicating weight and structural variations. A yellow dot marks the lightest point of the tire and is matched to the wheel's valve stem. A red dot marks the high/stiff point (radial force variation) and takes priority, aligning with a low spot on the rim. [1, 2, 3]

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[cb4017]

Interesting. Always kinda wondered about that myself.

 

[pablo94sc]

I think the blue dot on lug studs is runout on the hub, and I was told you match the valve stem with that stud.

 

[some_guy]

oof, linking reddit posts here shouldn't be allowed

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