Excel ELK422 Takasago Black 17" x 4.50" 36-Hole Rim The Excel Takasago aluminum alloy rim is the benchmark in off-road racing rim technology Exclusive 7000 series aluminum alloy which has a 50 percent higher yield strength than the competitor's 6 series aluminum Engineered and designed to perform in extreme hostile environments where other rims routinely fail Manufactured with a complex multi-step forming extrusion design, advanced robotically welded, and hard anodized Rim size/hole/color: 17 inches x 4.50 inches/36 hole/black