Fits headtube internal diameter - 49.61mm Upper - ZS49, 55.95mm Lower - ZS56
To suit standard 1 1/8" steerer tube forks. (28.6 - 30.015)
41mm OD, 45 x 45 Degree AC sealed bearings.
Insertion depth: 3.5mm Upper, 16mm Lower.
Total upper stack height inc bearing cover: 9mm
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.