Ritchey WCS Semi Integrated Lower ZS Headset

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Ritchey: Designed for bicycles with semi-integrated headsets, the WCS Semi-Integrated ZS Lower Headset features full complement stainless steel angular contact cartridge bearings p acked with Ritchey high-webbing grease and corrosion-resistant Ti-coated bearings. Material: alloyStack height: 2.8mmHeadtube OD/ID: 50/44, 55/49, 61/55, 62/56mmS.H.I.S.: ZS42/30 (1 ?”), ZS49/33 (1 ¼”), ZS55/40 (1.5"), ZS56/40 (1.5")ZS42/30 (1?") bearing: 41/30.15/7mm 45°/45° - sealed cartridge (ACB) – titanium coatedZS49/33 (1 ¼”) bearing: 46/34.1/7mm 45°/45° - sealed cartridge (ACB) – titanium coatedZS55/40 (1.5") bearing: 51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coatedZS56/40 (1.5") bearing: 51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coatedWeight: 35gColour: black Show more