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We've never seen this before with any of the handmade wheels leaving our shop, until one instance just a few days ago, and now yours! That's why we're thinking it could be something to do with the nipples we used, possibly a production error.
I’ve heard of a few similar issues where a modern, wide, lightweight tubeless rim has been used with a tyre at really high pressures, which effectively reduced the overall ERD of the rim and decreases spoke tension markedly. This could then lead to spokes slackening off further (as undertensioned nipples tend to do), and the above issue.
Might not necessarily be the case here, but definetly worth bearing in mind with other cargo wheel builds, that tend to use wide rims and see higher pressures than these rims are designed for.
Jon.-
Had this with the lowest tier dt Swiss rims (£40/45 price point), put a 650b 2.5" ish tyre to 50 psi and the rim erd shrinks so much that it becomes like a wet noodle. Also had it with one of their Gravel rims (again the lowest tier). Don't Reccomend the lowest ones anymore. Tension dropped from 55 wot nots down to around 35. Whereas a mavic rim of same price was only dropping to 50 at the same pressure (same hub/spoke/nipple combo)
BrickMan
Hey man, i happen to work at Omnium. That really sucks :( Lets make this good again. Ive just spoken with our team and here's what we're thinking.
The person who assembled your wheel followed all the rules (and unwritten rules) in the book and the build was checked by our head mechanic who's built hundreds of wheels. We've never seen this before with any of the handmade wheels leaving our shop, until one instance just a few days ago, and now yours! That's why we're thinking it could be something to do with the nipples we used, possibly a production error.
Regardless, I'll get an email sent to you first thing Monday morning with a solution.
If you've got anything you'd like to add, pls send us an email at info@omniumcargo.dk