The Continental Ultra Sport III road tire is an excellent choice for anyone looking to replace or upgrade their stock tires to a mid-range performance option. 180 tpi and excellent puncture protection as well as good grip properties make this a great value tire. The Pure grip compound is highly durable, long lasting and works great on or off road. This new rubber mix, given the self explanatory name "Pure Grip", is ranked just behind our Black Chili Compound and is being used in our performance products both in the road and mountain bike sectors. Whilst providing great grip, it is also long lasting and highly durable. Pure Grip - Based on activated silica compounds, the Ultra Sport III offers excellent grip and cross-country properties. The Continental Ultra Sport III road tire is an excellent choice for anyone looking High-performance training, entry-level competition tire Long-lasting silica-based Pure grip compound Tire suitable for electric bicycle