Close-up of the LRV tire exterior, showing the woven piano wire and the titanium treads. A Delco Electronics press photo from the GM Public Relations Department states, “The mesh is steel music wire, 0.033 inched in diameter, crimped at 3/16 inch intervals, cut into 800 32-inch strands, and then woven by hand and shaped to form a tire body. The mesh, containing some 64,000 intersections of wire, is mounted to a spun aluminum disc. The herringbone tread strips are made of titanium for abrasion resistance. Inside the tire, titanium bumper rings limit deflection of the mesh as the wheel bumps on the lunar terrain.” Credit: David Clow