Search new + high quality used 315 35 R21 Pirelli tires online, starting at: $28.31. 315 35R21 Pirelli models in stock: 10. All season: 36. Winter: 7. Summer: 87. Run flat: 53. 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!