Parameter? Tire Size: 11×4.00-5″, Tire Diameter:11″, Tire Width: 4″, Hub Length: 3.4″-4″-4.5″-5″ Centered Hub, Bushing size: 3/4″ or 1/2″, Rim Diameter: 6″, Load Capacity: 350 lbs(158 KG), NOT for highway use and static load-bearing. Please check your existing Tire Size, Hub Length, Hub Type and Bushing Diameter to ensure correct replacement. Extra Adapter Kit? 11×4.00-5″ Flat Free Tire is pre-assembled with 3.4″ centered hub and 3/4 bushing. Comes with an additional adapter kit, 4pcs of 1/2″ Bushing, 4pcs of 1/4 ” spacer, 4pcs of 1/2 spacer, 4pcs of washer, 4pcs of shim, which can greatly expand its compatibility. Allowing to adjust Hub Length and Bushing Size based on your needs. Repalcement for? 11×4.00 5 Lawn Mower Tires on Wheel is suitable for most zero-turn lawn mowers and garden tractors. Widely Applicable for Model F935 / RTZ42 / ZTX42/Z325/Z355R/1420/RTZL 42. Be noted that 11×4.00-5 Flat Free Tire is not fit for Model RZT L/ Z335 E / Compact Pro 34. Feature? 11×4.00-5 Flat Free Smooth Tire is made of solid polyurethane foam, maintenance-free and puncture-proof, saving time, no need to worry about air pressure and inflation. Note: The 11 inch tires is not recommended for prolonged periods of static load-bearing, as this may result in flat spots on the tire and cause the cart to bump. Package Include? Set of 2 11×4.00-5nhs Flat Free Smooth Tread Tire on Wheel. Replacement for front zero-turn mower tires 11×4.00-5.