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Valve Stem Length For 30mm Rim Height?

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Valve Stem Length For 30mm Rim Height?

Old 04-30-06, 03:43 AM
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Valve Stem Length For 30mm Rim Height?

Do I need 60mm valve stem tubes for 30mm height rims? I had cxp22 rims on my beater with regular valve stem which worked fine, but I remember them just long enough for my pump. Anybody with 30mm rim profile? Help this brother out plz~~
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Old 04-30-06, 09:06 AM
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I have shorter valve stems with about 25 mm rims. I don't know the exact length, but it's tough to fill them, and I wouldn't want to have to try on the road.

Why not just go get some new tubes? A set should only be about $10 or so...
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Old 04-30-06, 09:15 AM
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Get the 60mm ones. Yep, they're more $$$, but, I don't think the short valve stems will work on 30mm rims. I've got some 38mm rims that can't take a regular tube, only the long stems...
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Old 04-30-06, 09:17 AM
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yeah, you might just get away with it, but it depends on your pump; it could be difficult to attach the nozzle, and it looks UNCOOL!! Best to get 60mm
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Old 04-30-06, 09:32 AM
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Originally Posted by linus
Do I need 60mm valve stem tubes for 30mm height rims? I had cxp22 rims on my beater with regular valve stem which worked fine, but I remember them just long enough for my pump. Anybody with 30mm rim profile? Help this brother out plz~~
Presta valves come in 34mm, 48mm and 60mm. I'm thinking that 60mm valves are going to look goofy on 30mm rims. I'd get the 48mm size.
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Old 04-30-06, 10:41 AM
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48mm works perfectly with my 30mm profile rims.
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Old 04-30-06, 10:46 AM
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Or you can get 34's with a shrader adaptor
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Old 04-30-06, 10:55 AM
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Also think about a pair of extenders for the valves. A pair in your bag lets you pick up any length on a week long tour and keep going.

Cheers,
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Old 04-30-06, 11:31 AM
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Thank you guys. Time for a ride to LBS.
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