It seems fine
. It hasn’t been tried out yet as I’ve just plastikoted it and need to fix it to the cage bars (if it will fit - it’s huge!).
The only silent wheels I know of are the Rodipet, getzoo, silent runner and karlie and trixie wood wheels. All silent really. Don’t know anything about the new Niteangel ones (from US) or the tic tac wheels.
But if you mean Rodipet wheel quality - very good and no smells! I already have the 21cm one for our Robo. But they are ridiculously expensive.