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Old 06-08-2010, 02:53 PM
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Birddog1148 Birddog1148 is offline
Motorized Bicycle Member
Join Date: Apr 2010
Location: Sandusky, ohio
Posts: 26
Default Re: Welding on Big box store bikes?

Originally Posted by sojudave View Post
You bike is already welded. That dude might not be to smart. I have tried to mig weld a bike frame, but I burned through it. I am not a good welder yet either. I took it to a guy I know and he smoothed out some of my mess with a mig, no problems. I'm sure it depends on the frame. If the metal sparks when you hit it with a grinder, then it is steel-ish. If it simply turns to dust, it's probably aluminum.
Or use a magnet, besides ferrous welds wont stick to alluminum Thats how I get broken steel studs out alluminum heads, I just put a nut over the broken stud and weld it on, weld only sticks to steel
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