69mm | 78A | CP: 37.0mm | OS: 2.0mm If you'd rather drift the whole corner than dial in your race line, you're thinking like Danny Mac. A 69mm shape with an offset Groovetuve Core delivers the speed and stability needed for demanding terrain, while rouned lips and our 78A Nitro Formula urethane provide a forgiving slide for the freedom to leave thane lines anywhere and everywhere. NOTABLE FEATURES SIGNATURE SERIES Team tested on mountain grades, neighborhood steeps, and city streets, our Signature Series uses high performance urethanes, exclusive shapes, and fiberglass reinforced cores for enhanced control, roll speed, and durability in all conditions. NITRO FORMULA Balancing slip and grip, this formula offers effortless slides while providing the control needed for higher speeds and steeper corners.