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Discussion Starter #1
Does anyone know for certain what the swingarm is made of? Chromoly or mild steel? I'm sort of new to wire welding and I've read that Chromoly has to be heated and treated just so or it will crack in the HAZ heat affected zone.
 

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Mild steel.

But lock that sucker down tight before you sting it. It isn't hard to warp.
 

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Discussion Starter #3
Thanks. That's great. All I'm gonna do is reinforce the chain guard attachment. I have a 1/2 " thick HDPE hanging down for protection of the 70T chain junction and those little tabs are not up to the task.
 
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