Search new + high quality used tires online. Size 255 50 R20 starting at: $41.14. Tires in stock: 736. Available brands: 64 with 153 models. All season: 683. Winter: 46. Summer: 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!