UK Made Headset - Top Set

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New range of high quality headsets manufactured in the UK by Superstar's in house manufacturing facility in Lincoln. Manufactured to the highest tolerances these headsets are a perfect fit and forget multi-sealed replacement for the cheap and nasty product normally fitted to complete bikes to keep manufacturing costs down.

Choose from our comprehensive range of fitments and colours to customise your unique headset. Fully sealed cartridge bearings and custom made NBR wiper seals keep out the dirt and water, giving you a long lifespan in the worst conditions. An innovative retained compression ring and aluminium split crown race makes assembly easy.

Precision CNC machined from 6082 T6 heat treated aluminium in the UK with diamond tipped tools for a lush shine and super tight tolerances. Pick and mix to suit your frame. 

  • Top Set -  includes Top cup, top cover, compression ring, sealed bearing, topcap, starfangled nut and stainless steel bolt.

Spares available  - Topcap Kit, Bearings and Seals

Handy Information for SHIS headset size identification CLICK HERE

Stack height info in Tech Tab.

Tech Specs

  • Stack measurements include top cover or crown race.
  • Note that some manufacturers list cup only to make them appear shorter than they are.
  • Angle headsets are the mid stack height and will vary by a mm or so depending on angle.
  • Our headsets are highly sealed with custom moulded wiper seal, this adds approximately 2mm over unsealed headsets but we feel this is essential to long service life.

Top Cups:

EC34 - Stack Height 15.5mm – Insertion 10mm
ZS44 - Stack Height 7.5mm – Insertion 9mm
ZS49 - Stack Height 7.5mm – Insertion 9mm
ZS56 - Stack Height 7.5mm – Insertion 9mm

Bottom Cups:

EC34 - Stack Height 13.5mm – Insertion 10mm
EC44 - Stack Height 14.5mm – Insertion 10mm
EC49 - Stack Height 14.5mm – Insertion 10mm
ZS44 - Stack Height 5.5mm – Insertion 9mm
ZS49 - Stack Height 5.5mm – Insertion 9mm
ZS56 - Stack Height 5.5mm – Insertion 9mm


We manufacture all our headsets inhouse in our UK CNC machine shop in Lincoln. Heres a little video of the topcovers being machined on our barfed Doosan Lynx Lathe. By using a high tech dual spindle machine we can make finished parts in one hit, and then run the machine 24/7 to get high quality with great prices direct to you the customer.


  • Headset Type 2 Red Zs44/28.6

    Posted on 11 July 2019 by S. Wilson

    5 stars
    Good Quality Topset, looks great and pressed in to my Trek Fuel E2 headtube perfectly.