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.

 Insertion depth:16mm

Cup Stack height: 3.5mm upper- Total upper stack height inc bearing cover: 9.5mm

 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, if your frame is not listed please contact us.