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Discussion in 'Rides, Swap Meets & Other Events' started by Jacob Scroggs, Apr 21, 2021.
Such a sad sight
Shitty chinese aluminum! Go with a steel swingarm. That could have been real bad, the man upstairs likes you!
The vendor's site says not intended for high horsepower engines, whatever that means. That's a bit arbitrary in my opinion. Thanks for warning us.
Have you considered having your aluminum swingarm repaired. Have the crack welded up and have some heavy duty gusseting done on the weak area. Years ago we had a crack develop on our aluminum tandem bicycle frame by the steering head, We had it welded and reinforced and it's been good ever since.
Yes I have considered it. But I wouldn’t trust it. Even if it held, it may crack the other side. I tend to agree with Old CT. I think steel is the only way to go. Why doesn’t some after market company make these in steel??? If they do, I can’t find them.
Agreed. I’m not sure how yet. But there will be a steel swing arm going back on this bike. I’ll probably build one. These aluminum arms are dangerous!!!
Yeah. I went back and read the warning. I actually never saw that when I bought it. I don’t know if that would have stopped me from buying it though.
I have seen no less than a dozen of these swingarms or similar type swingarms break in the exact same spot. That isn't necessarily from poor aluminum (although it is certainly a possibility) but because they are overheated when welded. The material is heat cycle fatigued before you even mount it on the bike. I don't know what type of aluminum this is. I can say that the Gcraft ones are 6xxx series aluminum but when you hold a gcraft one next to any chinese one, you can tell right off the bat they are not the same alloy or really all that close.
As for steel ones, i have seen folks on the Fb modders page extend a stocker. Honestly, I would not do that. If I was hell bent on having a steel swingarm, I'd make one. However, all 4 of my CT's run Gcraft, three of them the Triple Square version. One has 22 RWHP bolted to it for almost 9 years and 3000 plus miles...never an issue.
All those guys that have their 18 HP daytonas and 190-212 builds coupled with the overly stiff cheap shocks are eventually going to snap their cheap swingarms.