i9 stem and valve core - standard?- Mtbr.com
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  1. #1
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    i9 stem and valve core - standard?

    need to replace the cores in my i9 valve stems. They are just standard cores right?

  2. #2
    Listener
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    They are. Complete valve stems are also available.

  3. #3
    EAT MORE GRIME
    Reputation: 127.0.0.1's Avatar
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    they are standard but mine have square bottom that fits in my rim perfectly and makes a bigger seal...but any of my other tubeless valves would work just fine...in fact plan on using 'generics' once my i9 valves gob up so much they just need to be tossed
    "Put your seatbelt back on or get out and sit in the middle of that circle of death." - Johnny Scoot

  4. #4
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    Quote Originally Posted by 127.0.0.1 View Post
    ...plan on using 'generics' once my i9 valves gob up so much they just need to be tossed
    It's very quick and easy to clean them...quicker and easier than installing new stems IMO. Pull the core, strip off any congealed sealant from the core and valve with your fingers. Poke a suitably sized rod, allen, etc down the stem a couple of times to push out any congealed sealant. You're good to go. It'll take a minute if you're slow.
    Do the math.

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