Metal wheels
* Pros:
* More durable than plastic wheels
* Can withstand higher impacts
* Provide a smoother ride
* Less likely to flex or bend
* Can be used with a wider variety of tires
* Cons:
* Heavier than plastic wheels
* More expensive than plastic wheels
* Can be more difficult to maintain
Plastic wheels
* Pros:
* Lighter than metal wheels
* Less expensive than metal wheels
* Easier to maintain
* More likely to absorb vibrations
* Can be more comfortable to ride on
* Cons:
* Less durable than metal wheels
* Can be more difficult to find replacement tires for
* May flex or bend more easily
* May not be as suitable for high-performance scooters
In general, metal wheels are a better choice for high-performance scooters or for scooters that will be used for rough riding. Plastic wheels are a better choice for budget-minded riders or for those who prefer a more comfortable ride.