• Valve caps on presta valves are designed to protect the inner tube from punctures while in the package and when it's in the back pocket of your jersey. You are supposed to throw them away when you install the tube.

  • And they also help to stop corroding and seizing of the valve, so you aren't supposed to throw them away, it's only really in racing they don't use them....and this is HHSB stop acting like its the fucking porn thread shit doesn't have to be perfect, you fucking negative Nancy.

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