M Part Elite Headset Lower IS49/33 (Cervelo / SBC 1 3/8)

This top of the range headset comes with a 3 year manufacturing warranty Quad sealed precision angular contact bearings coupled with double sealed bearing housing, keeps the British climate at bay Utilises flush seal technology to further protect the longevity of the bearings Full spares back up available Expanding collar design means once you tighten the headset, it stays tightened Designed and tested in the UK for extreme British riding conditions Replacement R429 bearing available (37x49x7 36x45) Manufacturer information: Learn more about M Part.