Yes, that sounds right.

See this of another report:

https://forums.thepaceline.net/showthread.php?p=2080214




I tend to think it has to do with the wheel having a hop due to imperfect mounting that is quite normal with big mountain bike tires, but I could be wrong. When the big mountain bike tire rolls around and isn't absolutely perfectly mounted, it may cause this slight hobble because it has quite a big rotational mass. I haven't thought that through very much though and like I say could be wrong.

Any thoughts?

One says, "Is it normal? Well, it's not unusual. Shimano's freehubs are notorious for having wobble. And wobble is amplified by the sprocket size, so the bigger the sprocket, the bigger the lateral excursions."

Another says: "I have Ultegra wheels and the rear wheel cassette easily wobbles that much. Maybe more. The bike shop said no problem and they were right: I put about 2000k on those wheels and the shifting was always problem free and crisp.

I can't say the same pleasant things about the wheels overall, which frequently came out of true and, just at the end of the summer, a spoke broke. I weigh a lot (215ish) so that may have been a factor, but I was pretty careful about what kinds of roads I went on with these wheels, so it surprised me. The hub also sounded scratchy right from day 1, so I wasn't really happy with these wheels. They are easy to service, so points for that, but they cost too much to need that kind of TLC so early in their life.

None of my other wheels (Mavic, Giant and DT Swiss) have any wobble (or broken spokes/problems with trueness). Just saying."