Spodní část integrovaného hlavového složení.  Material: alloy Stack Height: zero Headtube ID: 42, 47, 52mm S.H.I.S.: IS42/30  (1 ⅛”), IS47/33 (1 ¼”), IS52/40 (1.5")   IS42/30 (1⅛") bearing41.8/30.5/8mm 45°/45° - sealed cartridge (ACB) – titanium coated IS47/33 (1 ¼”) bearing41.8/34.1/8mm 45°/45° - sealed cartridge (ACB) – titanium coated IS52/40 (1.5") bearing51.9/40/8mm 45°/45° - sealed cartridge (ACB) – titanium coated Weight: 30g Color: black