How to replace a Presta valve?
The Presta valve on my back tire broke and I'm wondering if there was a way to replace it? Can I buy it separately and if I can, how do I fix it?
You Can't buy a new tube.
Ive never heard it called a presta valve,They are not too hard to install if you can break the tire down you can go to a tire store and have them install a new valve core or a whole valve stem.
I have never heard of replacing a Presta valve, unless you are only talking about the core, which you could probably get at your local bike shop. If the entire valve is broken, you would be better off to just get a new tube.
might as well just get a new tube. they are only a few bucks. its not worth trying to fix it.
The core of a presta valve is not replaceable. You need to buy a new tube. If your not a fan of that type of valve, you may want to convert to a more common schrader valve. A local bike shop will have the tools to drill out the rim to the appropriate size to accommodate the larger valve. I'd recommend sticking with the presta, but schraders are more common and less likely to be damaged while filling your tire with air.
The only way that I know how to do it, is to buy a new inner tube.
I have never heard of being able to replace one unless you are running tubeless tires.
It's time for a new tube ;-) Get thee to your local bike shop
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