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Obviously can't give you a guarantee that the rim is OK; ride at your own risk.

BUT, I've drilled rims for schrader with absolutely no issue.

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if you're running schrader, no problem. If you're running presta, you can get adapters\shims to fill the void left by the smaller diameter valve stem, no problem.
 

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Continental supplies a stepped nut with its presta valve tubes. I believe the stepped part of the nut fits in a schrader size hole and will keep the valve stem centered.
 

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Cpark
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Continental supplies a stepped nut with its presta valve tubes. I believe the stepped part of the nut fits in a schrader size hole and will keep the valve stem centered.

I agree, I have done this a couple of times in this situation. It works well for me.
 

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If this rim was designed to be used with Presta, it was probably for a reason.

This is mostly a safety issue. Remember that any hole drilled into a rim takes material away from it and will make that point weaker. I certainly wouldn't recommend using a 15mm (internal width) rim that this was done to. There are plenty of 19mm rims that use Schraeder. Yours is 17mm. I would get the advice of a reputable bike shop before riding these.
 

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*Assuming* they were drilled properly, at your weight, I personally think they are fine.

Again standard disclaimer - no guarantee, ride at your own risk, yada yada.

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Banned Sock Puppet
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*Assuming* they were drilled properly, at your weight, I personally think they are fine.

Again standard disclaimer - no guarantee, ride at your own risk, yada yada.

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Do you love your mother? Would you put her on those wheels? :)
 
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