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PostPosted: Wed Dec 02, 2020 4:44 pm 
Dirt Disciple

Joined: Sun Jan 12, 2014 3:56 am
Posts: 37
I have a pair of 26 TPI forks and wanted to have alloy cartridge headsets for them.

So I made a tap from another Raleigh fork and mounted on a lathe cross-slide and ran it through some alloy headset parts (24 TPI). I set the feed to 26 TPI and the thread form is pretty good, I'm going to use this method with confidence.

I can get cheap aluminium sealed bearing headsets for around (the equivalent of)15 GBP, postage to the UK will run me a bit, so I'm thinking 35GBP for one, 30 for more than one. Other headsets will do, as long as they are aluminium; you'll have to supply or point.

I don't know how many the tap will do...


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PostPosted: Thu Dec 03, 2020 9:17 pm 
Dirt Disciple

Joined: Tue Apr 28, 2020 9:38 am
Posts: 69
Don't need a 26TPI headset, but...

I am waiting for one of these buggers, less than £10 delivered:
https://www.aliexpress.com/item/1005001 ... 4c4dlh0wvj


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 Post subject: Re:
PostPosted: Sun Dec 06, 2020 3:30 pm 
Dirt Disciple

Joined: Tue Apr 28, 2020 9:38 am
Posts: 69
Headset from the last link has arrived and it seems to be a weird one. 30.0mm cups (rather than 30.2) but 26.4 inside crown race.
Lucky for me, the frame I have is a weird one, with a 30.0mm head tube lol. But I don't think it will fit a normal frame.


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 Post subject: Re:
PostPosted: Tue Dec 08, 2020 7:04 pm 
Dirt Disciple

Joined: Sun Jan 12, 2014 3:56 am
Posts: 37
That link does say "30MM" in big red print...

Works for Raleighs, not ISO.


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