Description
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.
Tech Specs
Materialalloy
Stack Height2.8mm
Headtube OD/ID50/44, 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") bearing41/30.15/7mm 45°/45° - sealed cartridge (ACB) – titanium coated
ZS49/33 (1 ¼”) bearing46/34.1/7mm 45°/45° - sealed cartridge (ACB) – titanium coated
ZS55/40 (1.5") bearing51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coated
ZS56/40 (1.5") bearing51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coated
Weight35g
Colorblack
Tech Drawing
Tech Manuals / Spare parts / Videos / Downloads
Drawings / Manuals / Guides
Service Parts
WCS Headset Cartridge Bearing
- Size: 41.0/30.15/7mm 45°/45°
- QTY per Pack: 2
WCS Headset Cartridge Bearing
- Size: 46.0/34.1/7mm 45°/45°
- QTY per Pack: 1
WCS Headset Cartridge Bearing
- Size: 51.9/40.0/8mm 45°/45°
- QTY per Pack: 1
WCS Headset Cartridge Bearing
- Size: 51.9/40.0/8mm 45°/45°
- QTY per Pack: 1
Headset Fork Crown
- Size: ZS44/30
Headset Fork Crown
- Size: ZS49/33
Headset Fork Crown
- Size: ZS55/40-ZS56/40
Headset Fork Crown
- Size: ZS55/30-ZS56/30 Tapered Conversion
Ritchey Newsletter
SubscribeJoin now for engaging stories, exclusive offers and product news delivered right to your inbox.