2.Reduces down-time. 

 3.Lowers the vehicles centre of gravity. 

 4.Increases driver comfort and confidence. 

 5.Eliminates the need for tyre pressure checks. 

 6.Provides greater vehicle stability and safety. 

 7.Aids constant tyre footprint. 

 8.Operates in extreme temperature environments.

The price is base on filled quantity in lbs. $1.80 per lbs. exclude tire and logistic costs.