3-rib design for improved steering and good flotation. Center and shoulder ribs provide even load distribution and wear.The item "TWO New 500-15 Farm F-2 Tri-rib 3 Rib Tires with Tubes 4 ply Tractor 5.00 Farmall" is in sale since Thursday, October 29, 2015. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Wheels, Tires, Tracks & Parts\Tires". The seller is "gearworksmfg" and is located in Maple Park, Illinois. This item can be shipped to United States.