Ritchey Semi-integrated lower headset WCS

Designed for bikes with semi-integrated headsets, the WCS Semi-Integrated ZS Lower Headset features stainless steel angular contact cartridge bearings filled with high-lubricity Ritchey grease and Ti-resistant coated bearings.

Material: alloy

Headset height: 2.8mm

Head tube OD/ID: 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")

ZS44/30 (1⅛") bearing: 41/30.15/7mm 45°/45° - sealed cartridge (ACB) - titanium

ZS49/33 (1 ¼") bearing: 46/34.1/7mm 45°/45° - sealed cartridge (ACB) - titanium coated

ZS55/40 (1.5") housing : 51.9/40/8mm 45°/45° - sealed cartridge (ACB) - titanium coated

ZS56/40 (1.5") bearing : 51.9/40/8mm 45°/45° - sealed cartridge (ACB) - titanium coated

Weight: 35g

Color: black