Search new + high quality used tires online. Size 285 45 R21 starting at: $27.29. Tires in stock: 345. Available brands: 9 with 38 models. All season: 253. Winter: 35. Summer: 57. Run flat: 121. 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!