Top quality headset with integrated top part and external bottom part. IS42/EC 44 S.H.I.S. type with ultra low profile aluminium top cover. High-quality precision sealed 45/45 bearings with anti-rust titanium coating and special high-density grease protecting against water penetration. They come with two alu 7075 crown races, one for tapered 1.5" and second for 1-1/8” forks.