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 and full spares back up available weighing in at only 92g 40based on a 1 1834 threadless headset with steel crown41 designed and tested in the uk for extreme british riding