When it comes to City bike | Mini velo bike | Folding bike Wheel, most commom wheel is 16 inches Φ349mm / 20 inches Φ406 / 22inches Φ451 , ethier Rim brake type or Dics brake type, you can always find a better option from alloy wheel / Carbon wheel for your City bike / Mini velo bike / Folding bike / Foldable bike wheel upgrade or replacement.