

Even then it sucks. Tyres are pneumatic, they shift shapes a lot depending on bumps and centrifugal forces and such. This is usually a problem you can ignore entirely, except of course when you go for that 1 picometer tolerance.
This sits at exactly the point where it feels like it runs fine-ish most of the time but also just grinds away your seatstays
much in the same way that conservative politics is all grievance-based, all lib politics is snark-based