Cook Bros. Racing Sealed Standard 1-1/8" Threadless Headset - Silver Self Sealing Drilled for use with standard

Drilled for use with standard Schrader valve tubes

This is a HEAVY DUTY chain that has bushings and thicker plates than the regular S1 chain

large profile u-brake designed to fit today's wider 2

This sprocket is made in the United States

Cook Bros. Racing Sealed Standard 1-1/8" Threadless Headset - Silver Self Sealing Drilled for use with standardAt the heart of the Cook Bros. Racing Threadless Headset is two, super smooth, 4545, sealed bearings. CNC machined, 6061 T6 aluminum top cap, cups, compression ring and crown race 45x45 angular contact bearings which can also be used as integrated headset without cups Split aluminum crown race makes installation and removal from forks super easy Star nut included Laser etched graphics This headset will fit frames with 34mm inner diameter head tubes