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Ît will get worse. Buying a used frame is risky, generally, even if there are no visible problems.Could be bent, that to diagnose most people cannot do. Titan and aluminium are not a good material for a frame, in spite of widely spread, nowadays. But it is cheap and sold for nearly the same price as a top steel frame would cost, which is much more difficult ...


2

Am I looking at the right thing? The little line running across the seat tube about 1cm above the bottom bracket? It's hard to say, but personally I'm not sure that's a crack at all. It looks more like a scratch. I say that because: a) it looks shallow, and b) that is a really, really weird place for a crack to occur. There are four types of stress ...


8

If you look at titanium frame bikes on the web you can see their warranties. Most have very long or life time warranties that cover everything but crashes and deliberate damage to the frame. So I would assume this frame was involved in a crash. There are three types or cracks in titanium frames (from best to worst): Weld crack seam crack (titanium comes ...



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