Marathon Flat Free Tire 00210 - 4.10/3.50-4 Sawtooth Tread - 2.25" Offset - 5/8" Bearings

Universal Fit Flat Free Hand Truck/Utility Tire, 4.10/3.50-4" Tire with Spacer/Bushing Kit Included. Adapter kit included 3/4" Ball Bearings (5/8" is installed) and spacers to increase hub length up to 4". Marathon Flat Free tires provide the bounce and load handling characteristics similar to an air-filled tire with the benefit of never going flat.