We started making headsets in 1976 and have been refining them ever since. Our DropSet™ 3 is built to be precise and dependable and sets the standard for quality integrated headset function delivering precision performance that is built on the same pedigree of Chris King headsets from the past 40 years. Compatible with Santa Cruz, Yeti, Santa Cruz Stigmata (without baseplate), and more.Engineered, manufactured and assembled in Portland, Oregon USALifetime WarrantyLegendary made-in-house bearingsPatented GripLock® retention design for exclusively reliable headset adjustment41mm 45x45 upper bearing52mm 36x45 lower bearingCompatible with our baseplate and 36 degree integrated crown races