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PostPosted: Sat Jul 08, 2006 6:08 pm 
Dirt Disciple

Joined: Mon May 08, 2006 11:37 pm
Posts: 54
Location: London
I need to to work out whether my fork is 1" or 1 1/8" for my ebay auction. Which bit is measured? the inside diameter or the whole thing - i.e the metal aswell?

Thanks for any help.

Regards,

Miles


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PostPosted: Sat Jul 08, 2006 6:16 pm 
Gold Trader / PoTM Winner / RB Rider
Gold Trader / PoTM Winner / RB Rider
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Joined: Wed Oct 05, 2005 7:45 pm
Posts: 10945
Location: kent
inside only on a frame .


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PostPosted: Sat Jul 08, 2006 6:20 pm 
Dirt Disciple

Joined: Mon May 08, 2006 11:37 pm
Posts: 54
Location: London
So if the measurement refers to the inside diamter of the headtibe of a frame wouldn't i need to measure the diameter of the whole steerer tube of the fork rather than just the inside?

Miles


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PostPosted: Sat Jul 08, 2006 7:01 pm 
Gold Trader / PoTM Winner / RB Rider
Gold Trader / PoTM Winner / RB Rider
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Location: kent
i think so


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PostPosted: Tue Jul 11, 2006 5:21 pm 
Klein Guru / BOTM Winner

Joined: Fri May 05, 2006 6:06 pm
Posts: 984
Location: Houston TX
you need to measure the outside diameter of the forks' steerer tube. 1" = 25.4mm, 1 1/8"=28.6mm, 1 1/4" = 31.8mm. no difference if threaded or ahead steerer.

the inner diameter of the steerer tube is needed to determine what size quill stem you would need. 1" fork = 22.2mm quill (outer diameter of the quill), 1 1/8" fork = 25.4mm quill, 1 1/4" fork = 28.6mm quill

Carsten


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PostPosted: Tue Jul 11, 2006 6:00 pm 
retrobike rider
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Joined: Fri Oct 28, 2005 1:10 am
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Location: Bristol
As carsten says.


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 Post subject: Thanks!
PostPosted: Wed Jul 12, 2006 9:38 am 
Dirt Disciple

Joined: Mon May 08, 2006 11:37 pm
Posts: 54
Location: London
Thanks a lot for the replies - thought as much - just wanted to check!

Regards,

Miles


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