These aluminum wheels from Rugged Ridge measure 17-inches x 9-inches, have a 5 on 5-inch bolt pattern, and 4.75-inches of back spacing. Each wheel includes a UV-treated polished center cap that replicates a manual hub for that off road look. They are available in four finishes: satin black, satin black with machined lip, silver, and chrome. Rugged Ridge wheels have been independently tested and certified to meet/exceed SAE J2530 standards for wheel strength and durability. Limited lifetime structural warranty and 1 year finish warranty (see warranty information for details and limitations).