Ritchey WCS External Cups EC Headset

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Ritchey: The WCS External Cup EC Threadless Headset the reliable workhorse of the Ritchey threadless headset range. This smooth and reliable specimen features lightweight, precisio n-machined aluminum cups, sealed cartridge 45/45-degree hybrid ceramic bearings with a titanium coating, and comes packed with Ritchey Grease and a sealed design promises minimal penetration from the elements. Material: alloyThreadlessStack height: 28mm (1"), 28.5mm (1 ?”)Stack height upper: 15.5mm (1"), 15.4mm (1 ?”)Stack height lower: 12.5mm (1"), 13.1mm (1 ?”)Headtube ID: 30.2mm (1"), 34mm (1 ?”)S.H.I.S. upper: EC30/25.4 (1"), EC34/28.6 (1 ?”)S.H.I.S. lower: EC30/26 (1"), EC34/30 (1 ?”)EC30/25.4 - EC30/26 (1") bearings: 41.0/30.15/7mm 45°/45° - sealed cartridge (ACB) – titanium coatedEC34/28.6 (1 ?”) bearing: 41.0/30.15/7mm 45°/45° - sealed cartridge (ACB) – titanium coatedEC34/30 (1 ?”) bearing: 41.8/30.5/8mm 45°/45° - sealed cartridge (ACB) – titanium coatedTop cap includedWeight: 106gColour: black Show more