RITCHEY headset WCS Lower Semi-Integrated ZS 56/40

The lower headset WCS Semi-Integrated ZS is designed for bicycles with semi-integrated headsets and is equipped with stainless steel bearings that are infused with Ritchey grease with a high fiber content and bearings with a corrosion-resistant Ti coating. Material: alloy Stack height: 2.8 mm Inner head diameter: 50/44, 55/49, 61/55, 62/56mm S.H.I.S.: ZS42/30 (1 ⅛"), ZS49/33 (1 ¼"), ZS55/40 (1.5"), ZS56/40 (1.5") Bearing ZS44/30 (1⅛")41/30.15/7mm 45°/45° - sealed cartridge (ACB) - with titanium coating. ZS49/33 (1 ¼") bearing 46/34.1/7mm 45°/45° - sealed cartridge (ACB) - with titanium coating ZS55/40 (1.5") bearing 51.9/40/8mm 45°/45° - sealed cartridge (ACB) - with titanium coating ZS56/40 (1.5") bearing 51.9/40/8mm 45°/45° - sealed cartridge (ACB) - with titanium coating Weight: 35g Color: black