Ritchey:
The Ritchey Comp Cartridge Semi-Integrated ZS Upper Headset features full complement stainless steel angular contact cartridge bearings packed with Ritchey high-webbing grease.
Material: alloyStack height: 10.1, 15.2mmHeadtube ID: 44mmS.H.I.S.: ZS44/28.6 (1 ?)ZS44/28.6 (1 ?) bearing: 41.0/30.15/7mm 45/45 – sealed cartridge (ACB)Top cap includedWeight: 51gColour: black










