Shimano Dura Ace 1st Gen. 1" French Threaded Vintage Headset

Please refer to the table below & the detailed photos for technical info & condition.

If you need help determining the technical bits, such as headset threading or crown race diameter, Sheldon Brown has a very useful crib sheet here.


Stack Height: 40mm
Threading: French (25.4 tpi)
Crown Race: ISO (26.4mm)
Cosmetic Condition: OK but Lower Cup Losing Chrome & Rusting
Bearing/Surface Condition: Good