.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Chris King GripNut Headset - 1" Black. The Chris King GripNut Threaded Headset incorporates a threaded collet that firmly clamps the threads for better holding power and includes a ten-year warranty.User-serviceable stainless steel cartridge bearings with full-contact seals GripNut headset incorporates a threaded collet that firmly clamps the threads for better holding power 10-year warranty Requires installation tool adaptor 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 ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;} TECH SPECS Color Black Lower Stack Height 13.7 Bearing Type Cartridge Crown Race 26 Weight 93 Defined Color Black Upper Stack Height 17.7 S.H.I.S Upper EC30 S.H.I.S. Stem Clamp Diameter 25.4-24tpi Quill S.H.I.S Lower EC30