Integrated, 1-1/8" Upper / 1.5" Bottom For different OD head tube
Ø28.6 x 41.8 x 51.8 x 39.8 (Conical cone OD size Ø48mm)
Height : 9 + 1 = 10mm, top cover : 8mm
Weight : 74g
Bearings : Sealed AC Bearings
41.8 x 45° x 8 ( R418 ) Upper
51.8 x 45° x 8 ( R425 ) Lower
Material : Top cover : AL-6061 with AL-7075 crown race
Finish : Anodized