Search new + high quality used tires online. Size 305 30 R20 starting at: $137.68. Tires in stock: 13. Available brands: 3 with 10 models. Winter: 1. Summer: 12. Run flat: 4. 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!