Integrované hlavové složení Ritchey Comp. Material: steel Stack Height: 6.8mm (1 ⅛”) / 6.7mm, 16.6mm (1 1.5" tapared)  Stack height upper: 6mm (1 ⅛”) / 5.15mm, 15.3mm (1 1.5" tapared)  Stack height lower: 0.8mm (1 ⅛”) / 1.55mm, 1.3mm (1 1.5" tapared)  Headtube ID upper: 42mm Headtube ID lower: 42, 52mm S.H.I.S. upper: IS42/28.6 (1 ⅛”) S.H.I.S. lower: IS42/30 (1 ⅛”), IS52/40 (1.5")   Bearings semi-cartridge (SSC) Weight: 75g (1 ⅛”) Color: black