Ritchey Headset WCS Semi Intergrated ZS (Lower Headset)

Product Details

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.

Product Technical Details

  • Material: alloy
  • Stack Height: 2.8mm
  • Headtube OD/ID: 50/44, 55/49, 61/55, 62/56mm
  • S.H.I.S.ZS:c42/30  (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 coated
  • ZS49/33 (1 ¼”) bearing: 46/34.1/7mm 45°/45° – sealed cartridge (ACB) – titanium coated
  • ZS55/40 (1.5″) bearing: 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

Ritchey Headset WCS Semi Intergrated ZS (Lower Headset)

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