• A complete black semi integrated headset for 1-1/8” ( 28.6mm ) threadless steerer (unthreaded) forks.
• This is for frames that use integrated head cups.
• The headtube cups are for an internal measurement of 44mm 
• 15mm stack height

This set comprises;

• 44mm steel semi integrated headtube cups including 22 x 5/32” caged bearings with seals
• Fork crown race 30.0mm
• Star nut and cap with allen key bolt
• Weight: 135 grams
• Black in colour
• This is a new ex factory production item so is not boxed or supplied with instructions