Enduro Maxhit Zero-Stack Headset KitDesigned to press directly into the head tube, eliminating the need for the aluminum cups that are traditionally used to carry the bearings This unique design frees up space for much larger balls that more than double the load capacity compared to standard headset bearings Kit includes fork crown race and upper split ring and upper bearing cap Machined entirely from 440C stainless steel and guaranteed for life, Maxhit headset bearings include