- They don’t require the application of any lubricants.
- They don’t make sound while application. They are quiet.
- Their power transmitting efficiency is more due the wedging action in the pulley.
- Their efficiency is 94% – 98%.
- They are smooth in use, while starting and also while running.
- They drive positively because the slip is negligible.
- They give years of trouble-free performance even under unfortunate condition.
- They are denser and more shock absorbing than flat belts.
- They refuse to transfer overload, in this way they also act as a “safety fuse”.