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* 1.1/8ö, 45¦Î45¦ ACB * For 46mm OD head tube * 1.1/8ö steerer * Alloy top cap * Campy Angular Contact Bearng * Stack Height: 16.5 + 0.5 = 17mm * Weight: 93.3g **Spares:** * Top and bottom bearings: TH870 (160-1647) * Crown race: H6119 (160-5558)