Originally Posted by
Graham11
Mainly eXtended durability. I did a comparison of brand new blockades in M3 and x3 and felt no performance change but the X still look new after two full race days running the same set for practice, 6 min quals and 30 min main
Seems your track is friendly to tires, our local track chews everything in just one race day - Pl's X compound, AKA's mediums...