Search new + high quality used tires online. Size 285 45 R21 starting at: $50.13. Tires in stock: 65. Available brands: 9 with 28 models. All season: 42. Winter: 11. Summer: 12. Run flat: 18. 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!