Replacement "Balloon/Beach" tires. Sold in sets of two. Fits Malone MPG521-S, MPG522-S, MPG564-S and MPG576-S carts.
Bonnlo Beach Wheels 9" Replacement Balloon Sand Tires for Axle with 0.86" Diameter Kayak Dolly Canoe Trolley Beach Cart Wagon Buggy Rolling Walker Garden Cart Wheelchair Fishing Cart-2 Packs
Galvaknox Sand-warrior Beach Collapsible Wagon Cart Trolley With Heavy-duty Inflatable Big Sand Tires : Target
Amazon.com : Beach Cart Dolly 12 Inch Airless Balloon Wheels Aluminum Wagon Works Great in The Sand at The Ocean and Lakes Storage Bag Blue Color : Patio, Lawn & Garden
Aqua Cart 21" x 12" Balloon Sand Tire — Atlantic Jet Sports
Replacement Balloon Wheels | 12" Sand Tires for Beach Cart or Kayak Do – StoreYourBoard