Search new + high quality used tires online. Size 295 40 ZR21 starting at: $146.68. Tires in stock: 24. Available brands: 6 with 10 models. All season: 20. Summer: 4. Run flat: 3. 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!