Wednesday, December 2, 2009

No Carbon Wednesday: Stump > Steel

Reid sent me these photos of his steel cross bike.
This just doesn't seem right, but I did indeed have to pay to have the downtube replaced.
How bizarre is that?


jim g said...

That's the wrong way to do a DT gusset, and a good example why!

Peter W. Polack said...

The gusset wasn't the cause of the problem; the frontal impact was.

If that was a pure tube failure i.e., materials or construction, you would only see a crack in the paint on the underside of the downtube.

Instead, you see cracked paint on the top side of the downtube, which indicates a tube flex from a severe frontal impact.

In this case I can fully agree with having the owner pay for the repair.

Anonymous said... another independent fabrications bike snapped...

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Willie Griffeth said...

Aluminum tends to be affable to dirt, insects, mildew, mold, spider webs, etc. Also due to the fact that aluminum retains both heat and also cold; if the paint is applied in temperatures that are not within the parameters of their product then the chances of the paint peeling will substantially increase.