If you look closely the cassette is wobbling in a strange motion (like a spinning top). Is this within “range” or should I have it fixed? Could it be that the cassette is badly installed or could it be something with the wheels or the rear hub?
by Chiaak
2 Comments
That is really tiny compared to most posts here on this topic. it is not a problem and happens because the bearings are running around the races under no load.
Every bike I’ve had does this to some extent