FSA: Orbit ZS-3 Semi-Integrated 1.1/8

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* 1.1/8ö, 36¦Î45¦ ACB * For 50mm OD headtube * 1.1/8ö steerer * Alloy shallow cups * Angular Contact Bearings (Blue Seal) * Stack height: 8.4 + 5.6 = 14.0mm **Spares:** * Top bearing and bottom bearing: 160-6460 * Crown race: 160-5476