Replacement
05-24-18 | 01:44 PM
#1
Thread Starter
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Joined: May 2018
Posts: 17
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Replacement
My neck and stem are both one. I was wondering how difficult is it to change it to where both are separate. I know the handlebars are 25.4. If that info helps anyone. Help would be greatly appreciated
05-24-18 | 01:58 PM
#2
Full Member
Joined: Nov 2016
Posts: 490
Likes: 44
From: SoCal
Bikes: 2014 Bruce Gordon Rock&Road, 1995 Santana Visa Tandem, 1990 Trek 520, 2012 Surly LHT
I assume you are referring to a quill stem. Yes you can change from a quill stem to a "threadless stem. But why do you want to do this? What is wrong with the stem you have? Lots of youtube videos on how to do it; just search "replace quill stem with threadless".
05-24-18 | 02:17 PM
#3
Facts just confuse people
Joined: Jul 2017
Posts: 19,296
Likes: 7,038
From: Mississippi
Bikes: Tarmac Disc Comp Di2 - 2020
Quills come in all sorts of stem length and height too, so if you really want a quill stem, there are plenty available. Your local bike shop or online retailer have them at reasonable prices. You have to know both the diameter of the part going in the headset and the diameter of the handlebars where the stem grabs them. 25.4 is only one of those.
However as a previous post mentioned, it is worth considering getting a quill adapter for threadless stems. Much easier to change your stem lengths or angle of stem if you later decide the current one is no longer what you need. No need to remove levers and bar tape. Little bit more cost initially, but less trouble long term.
edit... oh as I often do, I didn't quite understand your post. I guess you are asking about change to a pista type stem. So if your bike current uses a quill, then look for a "quill adapter" and whater threadless stem suits your fancy. You'll have to know three diameters though. the diameter going into the frames headset, the diameter of the mount for the stem and the diameter of the mounting area of the handle bars. As well you'll need to be aware of stem length and stem angle. You can put most on either way to give you a negative angle and a positive angle.
However as a previous post mentioned, it is worth considering getting a quill adapter for threadless stems. Much easier to change your stem lengths or angle of stem if you later decide the current one is no longer what you need. No need to remove levers and bar tape. Little bit more cost initially, but less trouble long term.
edit... oh as I often do, I didn't quite understand your post. I guess you are asking about change to a pista type stem. So if your bike current uses a quill, then look for a "quill adapter" and whater threadless stem suits your fancy. You'll have to know three diameters though. the diameter going into the frames headset, the diameter of the mount for the stem and the diameter of the mounting area of the handle bars. As well you'll need to be aware of stem length and stem angle. You can put most on either way to give you a negative angle and a positive angle.
Last edited by Iride01; 05-24-18 at 02:24 PM.
05-24-18 | 08:40 PM
#5
Senior Member
Joined: Feb 2004
Posts: 30,225
Likes: 649
From: St Peters, Missouri
Bikes: Catrike 559 I own some others but they don't get ridden very much.
It's a big deal to change. You have to replace your fork.
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05-25-18 | 01:30 AM
#6
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Joined: Oct 2009
Posts: 2,161
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From: Mt Shasta, CA, USA
Bikes: Too many. Giant Trance X 29, Surly Midnight Special get the most time.
You can get a threadless adapter like https://velo-orange.com/products/vo-...s-stem-adaptor . They can be useful because there aren't many options for threaded stems that have a 31.8mm handlebar clamp, and many handlebars are only produced in 31.8. Also it makes it easier to find replacement stems in a retail shop to adjust fit.
If you plan on keeping your current handlebars, and you don't need a different riding position, then I would strongly recommend your current stem as both lighter and much more elegant than an adapter+threadless stem.
If you plan on keeping your current handlebars, and you don't need a different riding position, then I would strongly recommend your current stem as both lighter and much more elegant than an adapter+threadless stem.
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