My rear wheel has some loose, but only at a specific place/angle on the wheel. That means that the wheel is tight everywhere, except for a zone of about 30 degrees, where it's loose.
It's a quick release wheel, and even if I over-tighten it, it's still has the loose at the same place.
I checked the obvious "the axle/bearings is loose" possibility, but nope. The axle is tight in every possible angle, and it doesn't appear to be a bearing problem.
It's only once the wheel is back on the bike that the loose appears.
Any thoughts on this problem will be more than welcomed, because that's a situation I've never encountered before!