The front wheels are compatible only with v2 chassis models only. To determine if you have a v2 chassis, please refer to the second and third photos above and examine the front of the chassis. The v2 model wheels have a splash guard attached.
The quick-release wheels have non-puncture PU tyres for stress and maintenance free travel. Effortless manoeuvrability is achieved by the technological refinement of having 360° rotating front wheels with reduced vibrations.