These are the 26mm Proxes R1R Drift Tires from HPI. FEATURES: Constructed of special hard plastic Fits 1/10 scale on-road cars tires Extremely hard compound delivers long life YOU WILL RECEIVE: Two Proxes R1R Drift Tires REQUIREMENTS: Installation on 26mm wheels SPECIFICATIONS: Inner Diameter: 50mm (1.97") Outer Diameter: 63mm (2.48") Width: 26mm (1.02") cnh 10/21/08 ir/jxs &