At the heart of the Cook Bros. Racing threadless headset are two super-smooth, 45×45, sealed bearings. A split aluminum crown race makes installation and removal from forks super easy

Features:

• Integrated headset
• 6061-T6 aluminum top cap
• CNC machined
• Laser etched graphics
• Star Nut
• 45x45 angular contact bearings which can also be used as integrated headset without cups
• This Headset works for both integrated headset compatible frames and the good old tradition frame

Specifications:
Size: 1-1/8"