Home / 1.0 Degree Headsets / 1.0 Degree ZS49-ZS56 Angle Headset- To Suit Tapered Steerer Tube 1.0 Degree ZS49-ZS56 Angle Headset- To Suit Tapered Steerer Tube £69.99 £58.33 (ex. VAT) RRP: £0.00 1.0 Degree ZS49-ZS56 Angle Headset- To Suit Tapered Steerer Tube £69.99 £58.33 (ex. VAT) RRP: £0.00 Stock Status: In Stock Headtube Length: Set 1 100-108mm Set 2 109-116mm Set 3 117-124mm Set 4 125-132mm Set 5 133-141mm Set 6 142-150mm Add to your Wish List Information Fits headtube internal diameter: Upper - 49mm - ZS49 Fits headtube internal diameter: Lower - 56mm - ZS56 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: 12mm Lower cup insertion depth: 11.5mm Upper cup Stack height: 3mm - Total upper stack height including bearing cover: 8mm Lower cup Stack height: 3mm 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.