GT Power Series Headset Description: The GT Power Series Headset is an integrated campy spec headset with precision sealed cartridge bearings, an aluminum Power Series dust cap and matching washers to fine tune stack height. Features: Integrated campy spec headset Precision sealed cartridge bearings Aluminum Power Series cap Specifications: Stack Height: - Dust Cap: - Size: 1-1/8" integrated (41.8mm outer diameter) Spacers: - Bearings: 45deg/45deg Color: Silver Weight: - Be sure to grease up that new headset while installing it. Find some grease here. Want to learn how to install a BMX integrated headset properly? Check out our video below.