Search new + high quality used tires online. Size 235 55 ZR20 starting at: $31.24. Tires in stock: 32. Available brands: 7 with 7 models. All season: 31. Summer: 1.. 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!