ZS44 semi-integrated (zero stack) headset compatible with 44-44mm (upper-lower) headtube ID and 1 1/8” straight fork steering tube Suitable for new build, or replacing the failed headset on mountain bike (MTB) or road bike Sealed bearing in bike headsets to fend off dirt, dust and water, ensuring long service life Our bicycle headset are made of high strength aluminum alloy Anodized color finishing ZS44 semi-integrated (zero stack) headsets are compatible with 44-44mm (upper-lower) headtube ID and 1 1/8” straight fork steering tube.

The headset includes all the necessary parts including star nut, compression ring and bolt, cups, sealed bearings and crown race, top cap etc.

Please measure your headtube size against product page’s pictures and verify fork type before ordering.