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 Fully replaceable bearings & full spares back up available Weighing in at only 92g &40;based on a 1 1/8&34; threadless headset with steel crown&41; Designed & tested in the UK for extreme British riding conditions