This is a genuine Campagnolo Record Threaded Headset for a 1" steerer tube. Add a little class to any 1" stem with this artfully crafted Italian headest.
Crown Race: 26.4
Bearing Type: 5/32"-3/16" Ball
S.H.I.S Upper: EC30
S.H.I.S Lower: EC30
S.H.I.S. Clamp Diameter: 25.4-24tpi Quill