Sunday Integrated Headset 1 1/8’’ Sealed BlackThe Sunday Integrated Headset has one of the lowest stack heights on the market, and includes matching 3mm and 5mm spacers. These 1 1/8’’ headsets are designed with Campagnolo standard specs. There are 45 degree tapered bearings. The outer diameter is 41.8mm to fit 42mm BMX head tubes. Compatible with Odyssey GTX Gyro, GTX-R, GTX-S, and Snafu Mobeus. Without spacers this headset weighs 2.1oz or about 60g. Available in Red, Purple, Raw, Blue, and Black.630950805198