Marathon Tires Flat-Free Hand Truck Tire, 3/4in. Bore, 4.10/3.50-6in.

Save both time and money with reliable, bulletproof Marathon solid flat-free tires. Flat-free tires keep your equipment rolling over the toughest conditions any jobsite can throw at you, eliminating costly and inconvenient flat tires. These flat-free tires are nonmarking and have the bounce and feel of pneumatic tires without ever getting flat. Load handling characteristics are similar to air-filled tires, except now troublesome flat tires are a thing of the past. This is the perfect replacement tire for hand trucks -- performs like an air tire with NO FLATS! Lightweight, solid flat-free tire is mounted onto a 4in. steel rim, with 3in. centered hub, 3/4in. bearings and grease fitting.

Marathon Industries 4.10/3.50-6" Flat Free Hand Truck Tire Sawtooth Tread 2.25" Centered Hub 5/8" Standard Ball Bearing Mounted on a Steel Rim Made of solid polyurethane, this tire has the same bounce, feel, and cushioning as a regular air-filled tire with the benefit of never going flat! Non-marking, this tire is perfect for hand trucks, air compressors, power washers, generators, and other small equipment. Polyurethane will also not be affected by ozone or UV Rays 500 lb. Load Capacity Not for Highway UsePlease follow these three steps to measure your tire accurately. Measure the outside tire diameter. To get the tire size, measure the outside diameter of the tire. Sometimes, the overall tire size is written along the sidewall of your tire. Though this won't provide you with information regarding your hub length and bearing size (those are separate measurements), it will help determine which tire size you need. Measuring the tire diameter of the tire will help to confirm that information. Measure the hub length. The hub length is the measurement through the middle of the wheel (or hub) measuring from end point to end point (or bearing to bearing). You'll want to make sure to measure through the center of the wheel and not just the outside as there will be space in your rim that will go unaccounted for. You're trying to determine how much "space" the rim takes up on your axle. If you order a hub length that is too short, the tire will move from side to side on your axle. If you order a hub length that is too long, your rim will extend beyond your axle. Measure the bearing size. The bearing is the metal piece on the end of your hub where your axle goes through. You just need to measure the inside diameter of the hole. To double check accuracy, you can also measure your axle diameter as well to be sure you have the correct size.