Home / Reach Adjust Headsets / Reach Adjust ZS56-ZS56 - To Suit 1 1/8" Steerer - 6mm Reach Adjust ZS56-ZS56 - To Suit 1 1/8" Steerer - 6mm £69.99 £58.33 (ex. VAT) Reach Adjust ZS56-ZS56 - To Suit 1 1/8" Steerer - 6mm £69.99 £58.33 (ex. VAT) Stock Status: In Stock Add to your Wish List Description Specifications: This headset will allow you to alter your top-tube length by +/- 6mm. Fits headtube internal diameter: Upper - 56mm: ZS56 Fits headtube internal diameter: Lower - 56mm: ZS56 Upper cup insertion depth: 11.5mm Lower cup insertion depth: 11.5mm Upper cup Stack height: 3.5mm - Total upper stack height including bearing cover: 9.5mm Lower cup Stack height: 3.5mm Upper Bearing: 41mm OD, 45 x 45 Degree AC sealed bearing Lower Bearing: 52mm OD, 45 x 45 Degree AC sealed bearing To suit standard 1 1/8" forks. Proudly machined in the UK, anodised locally in black from 6082 T6 aluminium. 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. We use the 'SHIS' standard to label our headsets - the numbers refer to the internal diameter of the headtube and the letters refer to the type of headcup: EC = 'External Cup' and ZS = 'Zero Stack' - For more SHIS info please refer to the Park Tools information page - Standardized Headset Identification System | Park Tool Attributes Upper Cup Size: 56mm Lower Cup Size: 56mm GTIN: 5060894512992 Colour: Black Brand: Works Components Product Code: WCRHZ56Z56-118 Related Products 1.0 Degree ZS49-ZS49 Angle Headset - To Suit 1 1/8" Steerer Tube £69.99 £58.33 (ex. VAT) 2.0 Degree ZS49-ZS49 Angle Headset - To Suit 1 1/8" Steerer Tube £69.99 £58.33 (ex. VAT) Bearings - 1 1/8" Steerer Tube Headsets £11.99 £9.99 (ex. VAT)