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Has anyone had experience of WTB KOM rims splitting along an invisible seam that marks where the internal tube-bed joins the outer sidewall?
It's a little hard to describe, so here's a few pics:
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You can also see where the split has worked its way around the rim enough to actually split the transfers:
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(These splits are not caused by impact or rubbing, even though they look like it)
When I run my finger around the edge of this rim, I can feel a pronounced "edge" where the split is, unlike on the other side of the rim or the front (identical) rim. Only 12 months old, so not entirely impressed. Even for lightweight rims, they shouldn't fall apart like this :-/
Any thoughts?
I have the i23 and i25 kom and both are fine, both over two years old. I've seen stans crests split along like that from a bike shop mechanic inflating them to 80psi trying to get a tubeless tyre on...
I've had two WTB rim pull through on the spokes, but not seen that
Thanks guys.
I don't think they've ever been over-inflated (not by me, at least) and the spoke tensions were about spot-on too, so I'm assuming it was just a bad rim.
For the sake of expediency, I'm replacing this i23 with an i25 as the ERDs are virtually identical so I can reuse the spokes. I'm hoping it's a one-off and the new one will be better...