Ritchey Semi-integrated upper headset WCS ZS44/28.6

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

• Material: alloy


• Headset height: 10.1, 15.2mm


• Head tube diameter: 44mm


• S.H.I.S.: ZS44/28.6 (1 ⅛")


• ZS44/28.6 (1 ⅛") bearings: 41.0/30.15/7mm 45°/45° - sealed cartridge (ACB) - titanium coating


• Weight: 43g


• Color: black