Ritchey WCS Integrated Lower IS Headset

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Ritchey: For bikes featuring integrated headsets (such as the Ritchey Road Logic and Swiss Cross), the WCS Integrated IS Headset stands above all others. This alloy headset lower f eatures stainless steel angular contact sealed cartridge bearings with a titanium coating for corrosion resistance, and they're packed with Ritchey high-webbing grease. Material: alloyStack height: zeroHeadtube ID: 42, 47, 52mmS.H.I.S.: IS42/30 (1 ?”), IS47/33 (1 ¼”), IS52/40 (1.5") IS42/30 (1?") bearing: 41.8/30.5/8mm 45°/45° - sealed cartridge (ACB) – titanium coatedIS47/33 (1 ¼”) bearing: 41.8/34.1/8mm 45°/45° - sealed cartridge (ACB) – titanium coatedIS52/40 (1.5") bearing: 51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coatedWeight: 30gColour: black Show more