New H5 Hub -Chemically bonded for an extremely strong hold -Smaller hub radius for smoother ride -Widen core to support complete wheel -Maxinizes roll for more speed over rougher surfaces

All-Terrain Formula™ (ATF) wheels are poured in a special soft urethane we call All-Terrain Formula or (ATF). ATF wheels are excellent for rougher terrain so regardless of road quality, this revolutionary formula will roll you there quickly and smoothly.