Home / 1.0 Degree Headsets / 1.0 Degree EC44-ZS55 Angle Headset - To Suit Tapered Steerer Tube 1.0 Degree EC44-ZS55 Angle Headset - To Suit Tapered Steerer Tube £69.99 £58.33 (ex. VAT) RRP: £0.00 1.0 Degree EC44-ZS55 Angle Headset - To Suit Tapered Steerer Tube £69.99 £58.33 (ex. VAT) RRP: £0.00 Stock Status: In Stock Headtube Length: SET 1 101-108mm SET 2 109-116mm SET 3 117-124mm SET 4 125-132mm SET 5 133-140mm SET 6 141-148mm Add to your Wish List Information Fits headtube internal diameter: Upper - 44mm - EC44 Fits headtube internal diameter: Lower - 55mm - ZS55 Upper cup is external (EC) - will fit frames using ZS44 (ZS) upper headcup as standard. To suit Tapered forks. 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. 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 Proudly machined in the UK, Anodised locally in black from 6082 T6 aluminium. Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing 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. For installation instructions > Click Here < Related Products 1.5 Degree EC44-ZS55 Angle Headset - To Suit Tapered Steerer Tube £69.99 £58.33 (ex. VAT) Works Components Narrow Wide Chainring - 104BCD Fitment £27.99 £23.33 (ex. VAT) Bearings - Tapered Steerer Tube Headsets £14.99 £12.49 (ex. VAT)