Forum Discussion
CapriRacer
Jul 02, 2021Explorer II
ScottG wrote:
A while back I stumbled upon an article that indicated the schrader valve isn't supposed to be the main device for holding air in a tire, the cap is.
I always buy metal caps with rubber seals just in case the schrader starts leaking.
As a tire engineer, allow me to correct a few things.
First, the Schrader valve IS the main device holding in the air. The metal cap is a back up.
And I recommend using the metal cap.
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