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What size tube valve length do you use for 'aero? wheels?

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What size tube valve length do you use for 'aero? wheels?

Old 02-23-11, 07:21 PM
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RoboIsGod
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What size tube valve length do you use for 'aero? wheels?

I'm getting 24mm deep rims and I want to make sure a 36mm tube valve will be long enough...will it?
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Old 02-23-11, 07:26 PM
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DScott
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Maybe not- and if not, the pump head won't be able to lock on. You'll probably need at least 42mm stem.

Don't ask me how I know this. The answer involves a very cold, pre-dawn ride, a Co2 inflator, and new-to-me semi-aero rims.
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Old 02-23-11, 07:37 PM
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keisatsu
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I'd get 42-48mm
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Old 02-23-11, 10:04 PM
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adclark
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I use 40-50mm valves. Better to have too much showing than not be able to get the pump head on it.
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Old 02-24-11, 12:12 AM
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If you have a Silca pump, you can easily get away with only 10mm past the rim. All others, I highly suggest being more generous.
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