To make the most of that, you would need a set of the best off-road motorcycle tyres. Adventure-sport tyres offer a marginal degree of off-road ability, normally in the 90/10 road/off-road ratio.

The ProTaper range is two-fold with the SMX 04 standing as a dedicated motocross tyre. Engineered for soft-to-intermediate ...

And they’re also required to offer a modicum of off-road ability. Apart from the Michelin rubber, all the tyres here fall into the 90/10 category, meaning that they’re designed for 90% on-road ...

We must first know that scooters are meant to be a city commuter. Keeping that in mind. The small rear tyre (by radius) is probably to reduce weight and also give better pickup from stand still.