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Old 04-01-08, 04:54 PM
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help welding repair

frame broke at seat post
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Old 04-01-08, 04:57 PM
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What's the frame made of? If steel, the repair is fairly straightforward. If Al or Ti, you need a real specialists to do it properly. If it's carbon, you need a REAL specialist.

I'd try the frame builder forum here and post with more details.
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Old 04-01-08, 04:59 PM
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its alum
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Old 04-01-08, 05:09 PM
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Theoretically, an Al frame can be repaired by welding but it requires an expert to heli-arc the thin tubing and the frame should be heat treated after the weld. And, when that'all done, it will have to be repainted.

Unless your bike is a particularly valuable or rare item, it's probably not worth the trouble and cost.

BTW, Trek and Cannondale have lifetime warranty coverage and/or crash damage discounts on their Al frames so, if you have one of these, your LBS may be able to get it replaced under warranty or at lower cost.
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Old 04-01-08, 05:40 PM
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Originally Posted by HillRider
What's the frame made of? If steel, the repair is fairly straightforward. If Al or Ti, you need a real specialists to do it properly. If it's carbon, you need a REAL specialist.

I'd try the frame builder forum here and post with more details.
Warranty?
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Old 04-01-08, 06:39 PM
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If its just a beater bike you could just run a bead along the crack and then ream out the seattube once its cooled.

Thats what my buddy did to a frame he broke (he warranty it and they let him keep the frame). Now the previously broken frame is just his beater bike polo bike
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