Tyre technology is an ever evolving thing, with more effective compounds and more advanced tread patterns being developed all the time, all to ensure the best possible performance and safety.
Your motorcycle tyres and wheels are the only part of the bike that ever touch the tarmac (hopefully), so it’s important to have some wheel and tyre accessories and tools on hand to keep them in ...
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.