Search new + high quality used tires online. Size 235 50 R20 starting at: $57.74. Tires in stock: 104. Available brands: 14 with 27 models. All season: 90. Winter: 5. Summer: 9. 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!