Chris King DropSet 3 Headset - 1-1/8 - 1.5" 41/52mm 36 Deg Matte Jade CeramicChris King DropSet 3 Headset 1 1 8 1. 5" 41 52mm 36 Deg Matte Jade Ceramic. 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