Converting Threadless to a Quill stem
#1
Thread Starter
Member
Joined: Nov 2008
Posts: 31
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From: Los Feliz, CA
Bikes: 2009 Mercier Kilo TT - Green
Converting Threadless to a Quill stem
New to the forum, and was wondering, is it much of a hassle to convert your Threadless stem to a Quill stem? I'm partial to a more classic look. And the conversion would be taking place on a 2009 Mercier Kilo TT. Any info would be appreciated.
#2
Senior Member
Joined: Mar 2008
Posts: 97
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Buy a threaded headset and a quill stem and bring it to your local bike shop. The fork should be 1" (Kilo TT), so that shouldn't be a problem at all. The problem might be that the steerer tube might not be threaded, so you'll have to find someone to thread it.
#4
you need the steertube of your fork to be threaded in order to run a quill stem. on a threadless setup, the stem itself clamps around the steertube to hold the headset together. on a threaded setup, you need the threads to lock the headset in place, then stick the quill stem in.
so you either need to get someone to thread your headset (not impossible but very difficult if there are no threads already, should definitely be done by a professional) or you need to get a new fork, threaded obviously.
so you either need to get someone to thread your headset (not impossible but very difficult if there are no threads already, should definitely be done by a professional) or you need to get a new fork, threaded obviously.
#5
cab horn

Joined: Jun 2004
Posts: 28,353
Likes: 30
From: Toronto
Bikes: 1987 Bianchi Campione
you need the steertube of your fork to be threaded in order to run a quill stem. on a threadless setup, the stem itself clamps around the steertube to hold the headset together. on a threaded setup, you need the threads to lock the headset in place, then stick the quill stem in.
so you either need to get someone to thread your headset (not impossible but very difficult if there are no threads already, should definitely be done by a professional) or you need to get a new fork, threaded obviously.
so you either need to get someone to thread your headset (not impossible but very difficult if there are no threads already, should definitely be done by a professional) or you need to get a new fork, threaded obviously.
A threaded steel/carbon AL steere fork can be had for $30-$50 online. It's simply not worth it to take a gamble on something that may produce mediocre to craptacular results.
So basically the OP has 3 things he needs to do.
1) Fork replace
2) Headset replace
3) Stem replace
#8
Don't even bother trying to get your threadless headset threaded. You need a speciality tool that maybe 1% of the bike shops in the world have on hand. And maybe 1% of that 1% know how to use it properly.
A threaded steel/carbon AL steere fork can be had for $30-$50 online. It's simply not worth it to take a gamble on something that may produce mediocre to craptacular results.
So basically the OP has 3 things he needs to do.
1) Fork replace
2) Headset replace
3) Stem replace
A threaded steel/carbon AL steere fork can be had for $30-$50 online. It's simply not worth it to take a gamble on something that may produce mediocre to craptacular results.
So basically the OP has 3 things he needs to do.
1) Fork replace
2) Headset replace
3) Stem replace
i've used it several times with success, but i agree that it is probably easier to just drop the $30 on a new fork, especially if you sell the fork you got for $25!
#10
Gone Tarcking. Back Later
Joined: Nov 2007
Posts: 502
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From: Blacksburg, VA
Bikes: Iron Horse Warrior Team (tricked to high heaven), Jamis Coda Sport (frame and fork, built into CX commuter), Gary Fisher Opie Dirt Jumper,SE Lager tarck bike
Don't thread a threadless fork. The walls of a threadless fork are not (necessarily) thick enough to withstand having threads put into them.
This was taught to me by 3 head mechanics before me.
This was taught to me by 3 head mechanics before me.
#12
Senior Member
Joined: Oct 2006
Posts: 189
Likes: 0
From: Minneapolis!
Bikes: 2005 Surly Steamroller, 2003 Surly Pacer, 2009 Surly LHT, 2010 Surly LHT, 2007 Surly CrossCheck, 1988 Schwinn Prologue
#13
Thread Starter
Member
Joined: Nov 2008
Posts: 31
Likes: 0
From: Los Feliz, CA
Bikes: 2009 Mercier Kilo TT - Green
With all your viewpoints being taken into consideration, I believe I will be selling my fork, and getting a threaded one. Thanks guys.
Last edited by the_joncarlo; 11-13-08 at 03:13 PM. Reason: Being an idiot
#14




