1-1/8` to 1-1/4`

 Internal headset for tapered fork steerer Carbon top cover 1-1/8 top bearing 45/45 ACB 1-1/4 bottom bearing 45/45 ACB Fits 47mm/52mm OD tapered headtubes 68g IS42/28.6|IS47/33 Carbon 68g 28.6 42/47 33 16.6 45??/45?? 1-1/8 to 1-1/4`

 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 nut IS42/28.6|IS47/33 Black 90g 28.6mm 42mm/47mm 33mm 10 45??/45?? 1-1/8` to 1-1/4` ...