Specifications:

• Fits headtube internal diameter: Upper - 44mm: EC44 Fits headtube internal diameter: Lower - 56mm: ZS56

Upper cup is external (EC) - will fit frames using ZS44 (ZS) upper headcup as standard.

• Upper cup insertion depth: 9mm Lower cup insertion depth: 11.5mm
• Upper cup Stack height: 11mm - Total upper stack height including bearing cover: 16mm Lower cup Stack height: 2.5mm
• Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing

To suit tapered forks. If you are running a 1 1/8" fork you will need to purchase a reducer crown as well - this headset comes as standard with a crown race to suit tapered forks.

Split type 7075-T6 aluminium crown race for simple, tool free installation

Headset comes complete with top-cap (star-nut included), bearings and crown race - all parts required for fitment. Simply order the correct headset from the list of available head tube lengths below, if your frames head tube length is not listed please contact us.

Use our angle headset guide for information and guidance on choosing the right angle headset for you.

Want to add some sparkle to your headset? We also stock anodised top caps and bearing covers in a range of colours.

Click here for installation instructions.