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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  weird headset size
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Author Topic: weird headset size  (Read 1623 times)

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Offline graeme

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weird headset size
« on: October 20, 2005, 06:02 PM »
ok, my twin top tube, and my diamond back venom ahve a wierd headset size. They have threaded forks, but the headset is bigger than 1" but smaller than 1 1/8".
Any ideas?
I used an 1" headset on my DB and shimmed it to fit the head tube.
i already had the headset with my other frame.
Local bike shops have no idea!

Offline oberonspacefruit

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Re: weird headset size
« Reply #1 on: October 20, 2005, 08:06 PM »
me too.
dont know the answer tho.
I want to touch ORB

Offline lazychubs

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Re: weird headset size
« Reply #2 on: October 20, 2005, 08:29 PM »
you sure they aint giving you a mountain bike inch headset as they to small
they did that to me .and tried to say the head tube was flared .
called him a numpty and showed him me old one lol

Offline graeme

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Re: weird headset size
« Reply #3 on: October 21, 2005, 01:05 PM »
i took the 1" headset out my ammaco, and it was too small for my diamond back.
Took the frame to a few bike shops but the couldnt find anything to fit it.
Looks like my new ttt has the same headtube.
Its all very wierd.
I bought some 1" bearings for my ttt cos i thought it was 1", but they are way smaller than whats already in it.

Offline Peanut

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Re: weird headset size
« Reply #4 on: October 21, 2005, 01:12 PM »
sounds like it'd probably fit my forks.

Offline graeme

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Re: weird headset size
« Reply #5 on: October 21, 2005, 01:23 PM »
I dont really like shimming a headset thats too small, if i can find out whats going in i can get a proper headset for the DB.

weston

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Re: weird headset size
« Reply #6 on: October 21, 2005, 05:11 PM »
you will find this problem on a few budget & old school frames as my brother is forever building up bikes for the kids on the estate out of old parts..

Offline TwoBobRob

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Re: weird headset size
« Reply #7 on: October 21, 2005, 05:56 PM »
I think, maybe there was such a thing as a 1 1/16" headset.... It's ringing a distant bell in my head.  God knows where you'd get one though   :(

Offline Rombloke

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Re: weird headset size
« Reply #8 on: October 21, 2005, 06:28 PM »
rob.....team murrays were bigger headset size than other frames at the time...

Dave
haro, how do you do

Offline graeme

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Re: weird headset size
« Reply #9 on: October 22, 2005, 11:45 AM »
well at least theres some recognition about it.
Where is headset size measured? inside the head tube or the outside of the stearer tube?

Druidscorner

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Re: weird headset size
« Reply #10 on: October 22, 2005, 04:17 PM »
Yeah I think I found the same, I was pulling apart my Dp and found that the headset I'd fitted long ago the cups rattled around the tube, So I went upto my local bike shop and asked wether they had any. They gave me the same size ones, So in desperation I took the cup's down to Halfords.

When I compared them to the ones they sell for BMX's(1" Threaded) they are smaller By a gnats so I think they vary depending on bike type.

I'd suggest you take them down there and have a look at The db or Ti 1" threaded headsets they sell.

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  weird headset size
 

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