Search new + high quality used tires online. Size 275 50 ZR20 starting at: $47.99. Tires in stock: 9. Available brands: 5 with 5 models. All season: 2. 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!