SC Chain Link Wide, Clay, Premounted, Red Inserts: SC10 4X4 The Chain Link features interlocking and bi-leveltread pattern that creates support for the tire's treads. This addition support adds to theconsistency through every turn and cranny and provides stability.Tech Specs:Diameter: 4.2" (107mm)Width: 1.7" (44mm)Mounting Bead: 2.2" (56mm) Outer x 3.0" (76mm) InnerHex Size: 12mmIncludes:2 Chainlink Clay Compound Short Course Tires with Red Foam Inserts that are mounted to