Michelin introduced the new PRO4 Road Bike Tire Range during its 120th anniversary celebration this 2011. The new bike tires offer enhanced longevity and performance. As compared to the PRO3, the PRO4 Service Course improves wet surface cornering speed by 16%.
On the other hand, the PRO4 features a better cut resistance and a new dual compound tread as well. In rolling resistance, the Comp Service Course offers a 7% improvement with a 150tpi casing and minimal 180g weight.
Four tires are included in the 2011 Michelin PRO4 Road Bike Tire Range. These are the Endurance with longer tire life and enhanced protection, Service Course with all-around performance, Comp Service Course with rolling efficiency emphasis, and Comp Limited Service Course with unprecedented rolling efficiency and maximized for speed.