52 Rock Crawler Series - Gloss Black Powder Wheels Wheel Size: 16.5x9.75; Bolt Pattern: 8 on 6.5;Backspace: 4.5;Max Load: 2000;Finish: Gloss Black Powder Coat;Center Caps sold separately.;Replacement Center Cap Part Number: PXA1515018 Pro Comp Steel Wheels Pro Comp 52 Rock Crawler Series - Gloss Black Powder Wheels 52-65981 52-65981 Pro Comp Rock Crawler Steel Wheels