Origin8 Twistr Integrated IS42/28.6|IS47/33 Headset

Highly polished sealed angular contact premium bearings ensure smooth operation. CNC machined AL6061 top cover is sealed to keep moisture and grit away from the bearings. CNC machined AL7075 crown race protects the lower bearings and fork. AL6061 top cap forged stainless steel bolt and star nuttable{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;} TECH SPECSSHISIS42/28.6|IS47/33 ColorBlackWeight90g Steered OD28.6 Cup (mm)42/47 Race (mm)33 Stack Height10 Bearing Angle45deg/45deg Size1-1/8` to 1-1/4`