DS2500 is among the foremost high-performance track day pads in the business, also suitable for some light-duty front and many rear pure race applications. It offers excellent refinement for such a high-performance pad. The main characteristics of DS2500 include: Track day & light race use for all vehicle types. Road-style refinement but with race material, ability to withstand heat with respect to life and µ. Average friction coefficient of 0.42 over a working temperature range of 20°-500°C. Not street legal - only for racing purposes.