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  1. That’s not a schrader valve, it’s either a presta valve missing the valve core, or it’s a presta valve extender. You either need to add a presta valve core, or just inflate with a presta pump (if it’s a valve extender).

  2. Congrats on scoring the bike! Get yourself a floor pump that can take the pressure up to 100 lbs/sq inch. Most floor pumps have an adapter for Schroeder or presta valves.

  3. Easy_Purple_5499 on

    Its mussing the core. It threads backwards sometimes when you replace cap you unscrew them. Also that little nut on the stem screws down to hold the valve stem in place so it does not move around.

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