Brand-x headset compression device (carbon cap)the brand-x headset compression device is designed to safely and securely compress your headset together when using a carbon fork with a carbon steerer tube.
Features:material: carbon top cap, alloy body and stainless steel boltfork tube id: 22 - 25.
4mmdepth of body: 18mmweight: 37gbuy brand-x components from chain reaction cycles, the worlds largest online bike store.