An economical 1in threaded ISO headset to fit classic/vintage bikes with a ø30.2mm ID headtube and a ø26.4mm crown race (not compatible with JIS fork/headtube)
Steel cups & hardware with ball retainer ball bearings
EC30/25.4 – EC30/26
Stack Height: 34.0 mm
Top Nut: 22.2
Cup O.D.: 30 | 32.5 | 34
Crown Cone: 27
Colour: Silver (actual colour may vary slightly from product image)