They see me Rollin

Martians out here tryna catch me riding sturdy

The Apollo rover used chainmail-like tires. NASA worked with a variety of designs to support the weight of the rover. Sojourner has a flat surface with little nubs. Spirit and Opportunity didn’t have this, and they specifically had wear issues.

The new materials (nickel-aluminium alloy) used to make the tires offer more durability. To view the early tire design, click here