Search new + high quality used tires online. Size 245 45 RF18 starting at: $62.55. Tires in stock: 10. Available brands: 2 with 2 models. All season: 10. Run flat: 10. 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!