I see where you’re coming from but
“Metal, and some higher quality hard-plastic valve stem caps, often have a rubber washer or seal inside to help make an airtight seal. This type of cap protects from dirt and moisture and also helps prevent air from escaping from a slightly leaking Schrader valve.” (https://www.bluestar.com/get_informed/article/tire-valve-stem-caps-do-your-tires-need-them)
“helps prevent air from escaping from a slightly leaking Schrader valve.”
“Helps” is doing a lot of work for you there. You have a damaged valve and it would need replaced.
It also doesn’t help because the damage to the valve that would come from the moisture from the INSIDE of the tire.
If you’re that worried just buy a 100 pack of valves cores for $5 and just swap them every time you change your tires. You’re vehicle will explode before you run out of cores, and then you don’t need to worry about replacing the $15 fancy caps ever.
I see where you’re coming from but “Metal, and some higher quality hard-plastic valve stem caps, often have a rubber washer or seal inside to help make an airtight seal. This type of cap protects from dirt and moisture and also helps prevent air from escaping from a slightly leaking Schrader valve.” (https://www.bluestar.com/get_informed/article/tire-valve-stem-caps-do-your-tires-need-them)
“helps prevent air from escaping from a slightly leaking Schrader valve.”
“Helps” is doing a lot of work for you there. You have a damaged valve and it would need replaced.
It also doesn’t help because the damage to the valve that would come from the moisture from the INSIDE of the tire.
If you’re that worried just buy a 100 pack of valves cores for $5 and just swap them every time you change your tires. You’re vehicle will explode before you run out of cores, and then you don’t need to worry about replacing the $15 fancy caps ever.