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Old 10-06-11, 07:33 PM   #1
azesty
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Converting LHT Alex Adventurer rims to hold Schrader valves

My LHT came supplied with Alex Adventurer rims, that fit Presta valves. The hole is too small to fit Schrader valves.

Where I tour it is not easy to get 26" tubes with Presta valves and I am wondering if it is possible to drill out the holes to 8mm to accept the Schraders.

If so, what are the pitfalls to be avoided?

z
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Old 10-06-11, 07:46 PM   #2
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I've drilled them out before without problems. More info: http://sheldonbrown.com/gloss_sa-o.html (look under "Schrader")
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Old 10-06-11, 08:20 PM   #3
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I've done it. no problems.
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Old 10-06-11, 08:34 PM   #4
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Quote:
Originally Posted by echo2011 View Post
I've drilled them out before without problems. More info: http://sheldonbrown.com/gloss_sa-o.html (look under "Schrader")

You can also get spacers to take them back to prestas. Good to have a a set in a pinch or when your ready to go back.
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Old 10-06-11, 08:36 PM   #5
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Working at a shop, we do this all the time. Very simple. Just file it out with a rat-tail file afterward. Wish I could remember the size of the drill bit, but eyeballing it works.
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Old 10-06-11, 08:48 PM   #6
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why would you drill them, why wouldn't you just screw adaptors on? I leave my presta valves open then screw the adaptors on and keep them there works fine.
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Old 10-06-11, 08:49 PM   #7
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disregard, I'm an idiot, i saw that you mentioned it's hard to get 26" presta tubes de de deeeeee
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