Ritchey:
Designed for bicycles with semi-integrated headsets, the WCS Semi-Integrated ZS Lower Headset features full complement stainless steel angular contact cartridge bearings packed 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 ), 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 ) 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
