Ritchey Logic External Cups EC Headset

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Ritchey: The Ritchey External Cup EC Threadless headset features a smaller upper bearing to save weight, while the oversize lower bearing is designed to handle loads. Deep bearing cups promise solid insertion. Material: steel/plasticThreadlessStack height: 28.9mmStack height upper: 15.7mmStack height lower: 13.2mmHeadtube ID: 34mmS.H.I.S. upper: EC34/28.6 (1 ?”)S.H.I.S. lower: EC34/30 (1 ?”)Bearings: retainer ball-bearingTop cap includedWeight: 156gColour: black Show more