Search new + high quality used tires online. Size 285 45 R21 starting at: $26.59. Tires in stock: 330. Available brands: 8 with 39 models. All season: 237. Winter: 37. Summer: 56. Run flat: 115. 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!