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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
t0-ster-
Well thankfully I spotted it straight away because I could feel the back wheel shimmying as I coasted. It was just bizarre that they all seemed to go at once. Anyway...they are still tight enough since I retensioned it...and I should be getting them rebuilt onto new rims as soon as they arrive, so it should be all good.
On another note though...
I just took the Gates square taper cranks off this morning to swap the ring onto a Middleburn chainset with outboard BB, and the chainring torx bolts were set SOLID. I broke 2 torx bits trying to remove them, and so I nipped down the road to a local bike shop, and he broke his tool too trying to remove them...do Gates glue them in or something? I even tried heating one to no avail :(
I ended up having to drill the heads off the chainring bolts just to get the ring off. As you know, gates rings are not cheap, or easy to find in physical bike shops.
So again, all good now, but a total pain in the arse! -
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.
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Any chance of some pointers on how you went about modifying your child seat bracket to fit it on your Mini Maxi. Its a job I've had on the back burner for a bit, and seeing as I'm going to be working from home for the foreseeable future I might finally get it done.
I've got an angle grinder which doesn't get used much, if that helps ?
Black_Rainbow_Project
Jon.
HousecatHST
Omnium built it, so I was hoping for a little more than 2 days... Especially on the rear.
I've never even had a mountain bike wheel lose all tension in all spokes, after a couple of days. I don't see why the rear wheel of a cargo bike being used only on the road should be under any more stress than a mountain bike.
The nipples were barely hanging on by a thread when I stopped.
As soon as my new rims arrive the wheels are getting rebuilt anyway.