Chris King DropSet 2 Headset - 1-1/8 - 1.5", 42/52mm, 45 Deg, Matte JadeThe DropSet 2 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 2 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. Patented GripLock retention design for exclusively reliable headset adjustment 42mm 45x45