Racing tire model, Summer weather traction, High speed controllability Toyo Proxes R888 Tires The Toyo Proxes R888 is a performance and high performance, summer tire made for racing vehicles. The tire features a strengthened high speed durability. The special construction and the R-compound work together to enable the tire's secure high speed performance. This structure allows the tire to safely perform at high speeds, without allowing the tire to maintain its ideal shape under the high speed pressure. This allows the tire to perform at its high speed capability, without harming the tire's construction. As a result, the model optimizes its ideal high speed durability, ensuring its racing application. The durable compound and the ideal tread design improve the summer traction. The stronger compound elements and the tread elements increase the dry and wet weather grip. The stronger compound prevents the heat build-up along the tread area, during its high speed performance. The tread design's surface grip optimizes the road contact throughout the drive.