This listing is for one brand new 540/85R42 which converts to a 20.842 Carlisle R1W tire. I carry a full line of ag tires.The item "520/85R42 (20.8R42) Carlisle R1W tractor tire" is in sale since Wednesday, April 29, 2020. This item is in the category "Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Wheels, Tires, Tracks & Parts\Tires". The seller is "hthomasbikes" and is located in Jackson, Mississippi. This item can be shipped to United States.