Search new + high quality used tires online. Size 285 45 R21 starting at: $54.58. Tires in stock: 127. Available brands: 9 with 31 models. All season: 93. Winter: 11. Summer: 23. Run flat: 49. 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!