Head Sets F11

1 1/8" Upper/ 1.5" Bottom
o28.6x44x55x39.8
Height:9.6+2.8=12.4mm
Weight: 100g
Bearings: Sealed AC Bearings                  
                (41x45°)(52x45°)
Material: AL6061-T6
               w/AL7075 crown race
Finish:Anodized
Headtube:OD 50mm ID44mm/
                 OD61mm ID55mm
Optionl:F11S crown race o30(1 1/8")  
S.H.I.S.:ZS44/28.6 | ZS55/40