I was just looking online for some spare inner tubes and apart from all the different brands/types I noticed they have long valve ones, how do I know if I need the long or normal valve ones?
Why can't I never find a ruler when I want one, anyway I'm pretty sure i need just the normal - looked up deep rims online line and can see why you would need the long valves. (I'm only running fulcrum 7's)
cheers!!
If you have a fixed head pump (rather than one with a screw-on hose), you need a certain amount of valve length to get the pump head to seal. If the valve length is short (and even if you don't have deep rims), it can be a bit of a fiddle when you try and inflate a tube from flat. I try and get tubes with long valves.
If the tube is flat enough for the valve to be pushed in by the pump connector, it is flat enough for your thumb to compress the tyre immediately behind the valve.
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