These are a set of 4x tires. 2x Narrow fronts 9mm and 2x Wide rears 11mm THESE ARE 22.5mm tires. Please purchase according to your WHEEL size EXAMPLE: 20mm OR 22mm or 22.5mm
GHM225
22.5 mm tire size
Hardness: hard
Inner diameter: 22.5mm
Outer diameter: 27mm
Thickness: 2.2mm
Notice
Non-professional tool measurement, measurement error within 0.1MM