Cane Creek Hellbender 70 headset is designed to bridge the gap between the 50-series and 110-series headsets. Hellbender 70 has all the design characteristics sealing elements and stainless steel Hellbender bearings found on a premium 110-series headset at a price closer to a 50-series. With a cleaner aesthetic Hellbender 70 offers a very high level of durability with a look to complement modern builds.Cups and covers are internally contoured and relieved to minimize weight and maximize strengthTop cover with low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose partsAlloy Dual-Seal crown race provides excellent seal efficiency with low frictionPremium sealed stainless-steel Hellbender 36x45 degree angled contact bearingsCarbon friendly captured compression ringRugged Bright-Dip anodized finishInterlokA(R) spacer compatible (Sold Separately) TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Lower Stack Height 4 Material Stainless Steel Upper Stack Height 8 S.H.I.S Upper ZS56 S.H.I.S. Stem Clamp Diameter 28.6 Threadless S.H.I.S Lower ZS56 Color Black Crown Race 40 Bearing Type Cartridge Defined Color Black Stack Height 12 Upper Spec ZS56/28.6/H8 Lower Spec ZS56/40