Fits headtube internal diameter - Upper - ZS49 - 49mm, Lower - EC49 - 49.61mm
To suit tapered steerer tube forks. (28.6 - 39.79)
45 x 45 Degree AC sealed bearings.
Cup Stack height: 3.5mm upper- Total upper stack height inc bearing cover: 13mm
Cup Stack height: 14mm lower.
Proudly machined in the UK from 6082 T6, Black Anodize finish
Complete with headset top-cap and star-nut.
Simply order the correct headset from the list of available headtube lengths below