The Prophecy Internal (semi-integrated) carbon headset features aluminum cups, sealed bearings, carbon fiber top race, aluminum fork race and an aluminum compression system with carbon cap.
STYLE: Press-in Internal cups
INCLUDED- Aluminum cups, sealed bearings, aluminum fork race, carbon top race and compression bolt system.
NOTE: Compression bolt system may not be needed if your fork has a built in compression bolt.
Without Compression system: 2.7oz/77g
With Compression system: 4.15z/118g