First Components F-974EW 1" Threaded Headset

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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 & hardwar e 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 Show more