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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Stem wont go into Forks!! (Sorted!!)
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Author Topic: Stem wont go into Forks!! (Sorted!!)  (Read 1325 times)

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punkdSICO

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Stem wont go into Forks!! (Sorted!!)
« on: April 04, 2012, 11:21 AM »
Morning

Do all o/s forks have the same internal diameter?  Likewise, do all o/s stems have the same outside diameter?  I have a stem that wont go into my forks.  Its close enough where I could get it in with a mallet but I dont then fancy my chances of getting it out again!

ta,

Paul
« Last Edit: April 04, 2012, 04:16 PM by punkdSICO »

Offline Jon The Bassist

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Re: Stem wont go into Forks!!
« Reply #1 on: April 04, 2012, 11:27 AM »
No, at some point they started changing stems from 21.1mm to 22.2mm. I tried a 22.2mm stem into Falcon Pro forks and they really wouldn't fit.
« Last Edit: April 04, 2012, 11:29 AM by Jon The Bassist »

Offline Jaymz

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Re: Stem wont go into Forks!!
« Reply #2 on: April 04, 2012, 11:32 AM »
Like Jon just said. I had this issue recently with the mini have for sale. Had 5 stems kicking around and none fitted. Had to fins another one.

Offline bobbbbsy

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Re: Stem wont go into Forks!!
« Reply #3 on: April 04, 2012, 11:55 AM »
yeah you re trying to do 22.2 into 21.1 !!! bastard innit !!   you got an angle grinder and sanding/grinding disks ? you still may struggle them stem bars are made out of tough stuff!! never tried myself but have filed down forks to get race crowns on !  :daumenhoch:

punkdSICO

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Re: Stem wont go into Forks!!
« Reply #4 on: April 04, 2012, 11:56 AM »
No, at some point they started changing stems from 21.1mm to 22.2mm. I tried a 22.2mm stem into Falcon Pro forks and they really wouldn't fit.
feckity feck, that's annoying!

Hey ho..

Paul

Offline jT Racing

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Re: Stem wont go into Forks!!
« Reply #5 on: April 04, 2012, 02:01 PM »
What stem what forks Paul?
ding dong

Offline brummie

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Re: Stem wont go into Forks!!
« Reply #6 on: April 04, 2012, 02:42 PM »
hi paul
has the stem shaft been rechromed?
this can cause fitting problems you see

punkdSICO

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Re: Stem wont go into Forks!!
« Reply #7 on: April 04, 2012, 04:15 PM »
What stem what forks Paul?
Hi - its my "Torker" 6 bolt stem:



Going into some RedLine forks.

btw, I have fixed it!!  Laying the stem on a flat surface I could see that someone has cut the stem down and it needed a bit of an angel grind.  Removing a tiny amount (well below the visible line) and it now goes in nice and easy, with just the expected amount of resistance.

thanks all - I was supper miffed when I tried to assemble this last night and could not get it in..

Paul


Offline Jon The Bassist

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Re: Stem wont go into Forks!! (Sorted!!)
« Reply #8 on: April 04, 2012, 04:29 PM »
The 22.2mm could well be a late OS/mid type thing. I never had trouble with stems BitD.

punkdSICO

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Re: Stem wont go into Forks!! (Sorted!!)
« Reply #9 on: April 04, 2012, 04:34 PM »
The 22.2mm could well be a late OS/mid type thing. I never had trouble with stems BitD.
I measured mine at once I realised it was defo 21.1 I knew it was going to go into the stem.  This is why I then looked at it again and saw the slight area that needed grinding.

ta,

Paul

Offline jT Racing

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Re: Stem wont go into Forks!! (Sorted!!)
« Reply #10 on: April 04, 2012, 09:12 PM »
Did you grind the oddessy off?
ding dong

punkdSICO

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Re: Stem wont go into Forks!! (Sorted!!)
« Reply #11 on: April 04, 2012, 10:12 PM »
Did you grind the oddessy off?
Hi JT

Nope, just left it hiding under the decal  :)

ta

Paul

Offline bobbbbsy

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Re: Stem wont go into Forks!! (Sorted!!)
« Reply #12 on: April 04, 2012, 10:23 PM »
22.2 was old skool quill stem size for townie/racing bikes !

Offline jT Racing

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Re: Stem wont go into Forks!! (Sorted!!)
« Reply #13 on: April 05, 2012, 12:05 AM »
Looks spot on. Ok. It's not got the machining lines like torker but you can hardly tell at all, looks better than the red.  I need one of those decals for mine, where you get it?

Jt
ding dong

punkdSICO

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Re: Stem wont go into Forks!! (Sorted!!)
« Reply #14 on: April 05, 2012, 11:40 AM »
Looks spot on. Ok. It's not got the machining lines like torker but you can hardly tell at all, looks better than the red.  I need one of those decals for mine, where you get it?

Jt
Morning JT

Got the decal off Del - they are only a few pounds.

ta,

Paul

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Stem wont go into Forks!! (Sorted!!)
 

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