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Cassette wobble after local bike shop installed 9Velo GV35 wheelset

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bennytalent:
I got a 9Velo GV35 wheelset, asked the LBS to install it. After the mechanic gave me attitude for using Chinese wheels, he said that they caused a wobble in my cassette.

I have an 11 speed cassette, I'm surprised there's an issue in the first place. Another LBS said I need a new cassette.

Do I need a new cassette, new wheels, new hubs or is this poor installation?

https://imgur.com/a/Wi0f1zm

coffeebreak:
Would like more details. What cassette is it?
That wobble seems "consistent" at one particular location, so it could be that the cassette isn't sitting properly on the freehub but the video is too short to say anything surely.

bennytalent:
Sure, my cassette is a Shimano Ultegra HG800, 11-34, 11 speed
https://imgur.com/a/8puCZxk

Pedaldancer:

--- Quote from: bennytalent on August 01, 2023, 04:49:10 PM ---Sure, my cassette is a Shimano Ultegra HG800, 11-34, 11 speed
https://imgur.com/a/8puCZxk

--- End quote ---

This cassette is in fact a Shimano mountainbike cassette, and 11s mountainbike HG freehubs are a bit more narrow than road. . If you put it on a 11speed road hub , it needs a 1,85 mm spacer. Without the spacer you can't clamp it, it will wobble. Was the spacer used?

Your videos look weird. I can't really figure out anything. Is it possible to tilt the cassette?.

coffeebreak:

--- Quote from: Pedaldancer on August 01, 2023, 05:42:14 PM ---This cassette is in fact a Shimano mountainbike cassette, and 11s mountainbike HG freehubs are a bit more narrow than road. . If you put it on a 11speed road hub , it needs a 1,85 mm spacer. Without the spacer you can't clamp it, it will wobble. Was the spacer used?

Your videos look weird. I can't really figure out anything. Is it possible to tilt the cassette?.

--- End quote ---

I thought about it but that cassette does look like its a road cassette and not MTB spec, so the 1.85mm spacer won't be needed unless OP's LBS installed it and pushed the cassette down forcibly.
https://bike.shimano.com/en-EU/product/component/ultegra-r8000/CS-HG800-11.html

It does look weird, off-axis. Benny, does the freehub come off easily like on DT Swiss wheels?

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