Marathon 20x2.0" Flat Free Cart Tire on Plastic Rim, 3/4" Bearing Actual diameter measures 19.48-inch 2.43-inch hub with 3/4-inch bearings installed. Additional easy install 5/8" bearings included Black, Ribbed Tread - Non-Marking Flat Free Solid Polyurethane Tire Heavy duty rust proof composite plastic spoked wheel is engineered to support 250lbs Perfect replacement for garden, marina and other two wheeled carts / not for highway use.