Functions and performances
The four main functions and seven performance characteristics of tires.
Four functions of tires
![To support a vehicles weight](/products/basic_knowledge/function_and_performance/images/img_To_support.jpg)
To support a vehicles weight
![To transmit accelerating and braking force to the ground](/products/basic_knowledge/function_and_performance/images/img_To_transmit.jpg)
To transmit accelerating and braking force to the ground
![To change/maintain direction](/products/basic_knowledge/function_and_performance/images/img_To_change.jpg)
To change/maintain direction
![To absorb shock from the road surface](/products/basic_knowledge/function_and_performance/images/img_To_absorb.jpg)
To absorb shock from the road surface
Seven performances of tires
![Fuel efficiency](/products/basic_knowledge/function_and_performance/images/img_Fuel_efficiency.jpg)
Fuel efficiency
![Wear life](/products/basic_knowledge/function_and_performance/images/img_Wear_life.jpg)
Wear life
![Dry grip](/products/basic_knowledge/function_and_performance/images/img_Dry_grip.jpg)
Dry grip
![Wet grip](/products/basic_knowledge/function_and_performance/images/img_Wet_grip.jpg)
Wet grip
![Handling stability](/products/basic_knowledge/function_and_performance/images/img_Handling_stability.jpg)
Handling stability
![Ride comfort](/products/basic_knowledge/function_and_performance/images/img_Ride_comfort.jpg)
Ride comfort
![Quietness](/products/basic_knowledge/function_and_performance/images/img_Quietness.jpg)
Quietness