Ritchey Comp Cartridge Integrated Lower IS Headset

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Ritchey: The Ritchey Comp Cartridge Integrated IS headset lower features full complement stainless steel angular contact sealed cartridge bearings 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) IS47/33 (1 ¼”) bearing: 41.8/34.1/8mm 45°/45° - sealed cartridge (ACB) IS52/40 (1.5") bearing: 51.9/40/8mm 45°/45° - sealed cartridge (ACB) Weight: 32gColour: black Show more