Headset Origin8 Semi-Int/Ext Cup Twistr 1-1/8 1.5 Zs44/28.6|Ec49/40 Black

• 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

Specifications:

• SHIS:ZS44/28.6
• EC49/40
• Color: Black
• Weight:28.6mm
• Steerer OD:28.6mm
• Cup:44mm/49mm
• Race:40mm
• Stack Height:12.7mm Top/12.3mm Bottom
• Bearing Angle:45°/45°
• Size:1-1/8" to 1.5"