Rims

• Cooper Discoverer ATR tires have a minimum measured rim width of six inches and a maximum of 9.5 inches. The approved rim width ranges from 5.5 inches to ten inches.
  
  

Design Features

• The Cooper Discoverer ATR tire features an all-terrain design with five ribs that have sawtooth circumferential grooves and lateral slots. The tread elements are chamfered at the tip of the center elements and at the sawtooth grooves. A chamfer is a groove cut out of the edges of the treads, in this case to prevent irregular wear and increase element stability.
  
  

Diameter and Load

• Cooper Discoverer ATR tires have an overall diameter of no less than 28.9 inches and no more than 34.5 inches. The maximum load ranges from 1,985 to 3,640 pounds and the tires have a load range classification of either 'C' or 'E,' depending on the model.