Search new + high quality used 275 45 R20 Bridgestone tires online, starting at: $47.99. 275 45R20 Bridgestone models in stock: 10. All season: 18. Winter: 9. Summer: 13. Run flat: 20. 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!