HDK-0010 - 1-1/8 x 1-1/2" Stainless Steel, Angular Contact, Zero-Stack Headset Bearing Kit for 44mm/56mm ID head tube framesetsMAXhit is Enduro's latest patent-pending innovation; where the bearing is actually the component. MAXhit headset bearings are designed to press directly into your bicycles headtube, eliminating the need for the aluminium 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. The 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 proprietary double-lip labyrinth seals and Enduro's extra high pressure grease to ensure a lifetime of trouble-free, heavy duty performance.