Search new + high quality used tires online. Size 235 50 R20 starting at: $51.4. Tires in stock: 109. Available brands: 13 with 29 models. All season: 91. Winter: 9. Summer: 9. Run flat: 7. 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!