Search new + high quality used tires online. 12 Inch Tires, starting at: $25.01. Tires in stock: 40 tires. Available brands: 16 with 24 models in 19 sizes. All season: 39. 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!