I just bought an older Trek Mountain Bike, how do I pump up these tires?

  • But I noticed that the valve is not the typical one that Im used to seeing. It is much smaller and has some type of extra piece on it.

    How can I pump these tires up?


  • It is called a Presta valve. You can pick up an adapter at a bike shop for a dollar. You can also buy a bicycle pump that wil fit a Presta and the standard Shrader valve. I always carry an adapter with just in case my pump fails. Here is how you use a Presta valve with an adapter.

    http://bicycletutor.com/presta-valve/


  • It is a Presta valve. Are you telling me you have never seen a presta valve? Good luck.







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