External Cup Threadless Headsets VH-01
110 grams of machined 6061AL-T6 on two sealed cartridge bearings.
Every External Headsets Product
What This Category Is For
The external cup headset fits a plain 1 1/8 inch head tube with no internal machining. The full set is CNC machined from 6061AL-T6, runs two sealed cartridge bearings, measures 28.6 by 34 by 30 mm and carries a 33 mm stack made of 21 mm upper and 12 mm lower.
The Problem It Solves
Loose ball headsets need servicing every season and develop play that riders feel as a knock under braking. A sealed cartridge headset does not.
- Frame builders with plain head tubes
- Bike assembly operations
- Workshops replacing worn loose ball headsets
Industries We Supply From This Category
Guides for This Category
AL6061-T6 or AL7075 Which Alloy Belongs in Which Bike Part
Two aluminium alloys cover almost the whole machined bicycle component market. Here is why a star nut is...
Read the guideChoosing a Bike Headset External or Semi-Internal
The frame decides, not the rider. A 33 mm stack against a 9.5 mm stack, and what happens if you specify the...
Read the guideSealed Cartridge Bearings and Why Pawl Count Matters
Two bearings, four bearings, six pawls. What those numbers on a hub or headset specification are actually...
Read the guideExternal Headsets Questions
What steerer size does it fit?
What stack height should I allow?
What colours are available?
Can the bearings be replaced?
Quote the External Headsets Range
Send the models and quantities you need. Customised logo is accepted across the range.