About this item Zero-Turn Mower Tire and Wheel Assembly: 11x4.00-5 Smooth Tread, Low Profile Flat-Free Tire 3/4" Contractor-Grade Oil-Infused Bushings Installed, Black 3.4" Centered Hub, Grease Fitting Universal Adapter Kit for 5/8" Axles and Hub Lengths 3.4 to 5-inches Flat-Free tires eliminate the maintenance and downtime of air-filled tires and flats. Low hassle, low cost, easy install solution designed to upgrade, repair or replace your air-filled or solid zero-turn riding lawn mower tires. Not for Highway Use.