The DropSet 3 Headset features the GripLock bearing cap that preloads the headset independently of clamping onto the steerer, so it retains preload far better than other headset designs. The DropSet 3 is impervious to the ill effects of load spikes from large hits and heavy braking. This means smoother steering, no more creaking, and a longer lasting headset.GripLock design also takes the guesswork out of preloading a headset, because the bearing preload force is independent of the clamping forceDropSet 3 headsets can be preloaded to a torque spec41mm 45x45 upper bearing / 52mm 36x45 lower bearingDropSet 3 headsets with their legendary made-in-house bearings are engineered, manufactured and assembled in Portland, Oregon USAIncludes baseplate and 36 degree integrated crown racesFeatures the King Lifetime WarrantyItem SpecificationsBearing TypeCartridgeColorMatte BlackCrown Race40Defined ColorBlackS.H.I.S LowerIS52S.H.I.S UpperIS41S.H.I.S. Stem Clamp Diameter28.6 Threadless Chris King DropSet 3 Headset Headsets UPC: 841529091571