1. Safer drive
Safer drive because tyre deflates slowly when a puncture occurs
2. Better fuel economy
Better fuel economy since friction between tyre tube and tyre is eliminated also since tyre is lighter because there is no tube
3. Reduced chance of tyre damage
Reduced chance of tyre damage since air is not lost suddenly
4. Better heat dissipation
Better heat dissipation since rim is in direct contact with air
5. Cost saving on tube
6. No tube related problems
7. Less balance weight required
