• Internal diameter - 44mm Upper - EC44, 55mm Lower - ZS55
   
• Upper cup is external (EC) - will fit frames using ZS44 (ZS) upper headcup as standard
   
• 41 / 52mm OD, 45 x 45 Degree AC sealed bearings.
   
• Insertion depth: 9mm Upper, 16mm Lower.
   
• Cup Stack height: 3.5mm - Total upper stack height Inc bearing cover: 15mm
   
• Proudly machined in the UK from 6082 T6, Black Anodise finish
   
• Headset comes complete with top-cap (star-nut included), bearings and crown race - all parts required for fitment
   
• If you are running a 1 1/8" fork you will need to purchase the reducer crown from the drop down menu - this headset comes as standard with a crown race to suit tapered forks.
   
• Simply order the correct headset from the list of available headtube lengths below, if your frame is not listed please contact

For installation instructions > Click Here <