Spodní část semiintegrovaného hlavového složení.  Material: alloy Stack Height: 2.8mm Headtube OD/ID": 50/44, 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") ZS42/30 (1⅛") bearing41/30.15/7mm 45°/45° - sealed cartridge (ACB)  ZS49/33 (1 ¼”) bearing46/34.1/7mm 45°/45° - sealed cartridge (ACB)  ZS55/40 (1.5") bearing51.9/40/8mm 45°/45° - sealed cartridge (ACB)  ZS56/40 (1.5") bearing51.9/40/8mm 45°/45° - sealed cartridge (ACB)  Weight: 40g Color: black