Woodman Capsule PH Headset Preloader Alloy Top Cap: Reuseable threadless headset preload device for 1-1/8" carbon steerers. Dual wedge expander sleeve offers greater contact area which reinforces the steerer tube against stem clamping loads. Grooved sleeve will not slip, even under strong vibrations. Includes 7075 aluminum bolt and an elastomer to prevent overtightening.
