Ironman Tires Ironman - I-109 A/P Rib Sizes Available11R22.5/1411R22.5/1611R24.5/16215/75R17.5/16225/70R19.5/14235/75R17.5/16245/70R17.5/18245/70R19.5/16285/75R24.5/14295/75R22.5/14295/75R22.5/167.50R16LT/14