Banking of roads is beneficial for two Wheelers because the road surface is tilted towards the inside of a curve which helps you in managing the forces acting on vehicle. It helps you in various forms like:

1. Enhances your stability which is very important in two wheelers because they are more prone to skidding due to their lighter weight.

2. You will have better control on your vehicle on banked roads.

3. Increases your safety as skidding risk is lowered.

4. Your ride becomes much more comfortable as banked roads allows smoother transition through the turn.

Banked roads in general are beneficial for all type of vehicles but yes particularly for two wheelers they work more efficiently.