Search new + high quality used tires online. 20 Inch Tires, starting at: $27.99. Tires in stock: 43920 tires. Available brands: 260 with 2307 models in 212 sizes. All season: 35739. Winter: 2456. Summer: 5324. Run flat: 1196. Selling all used tires at discount costs. All used tires go through 2 layers of inspection on specialized equipment. One year warranty + free shipping on all inventory ;) Happy shopping!