Threadless stem for 1 inch fork, where are you? Shim?

[Joachim]

One of my potential future projects has a 1 inch F1 Serotta fork. I know I can use a shim to use a 1 1/8 inch stem, but would like to know if there are any 1 inch threadless stems out there (silver or black), either with a 26.0 bar clamp or, if they ever existed, a 31.8 bar clamp?

Secondly, if you do use a shim, what is your experience? Creaking or not? Thomson or something else? What about compression plugs, FSA 1 inch or something else?

Thanks!

[DRZRM]

There were some nice 1" stems out there, Salsa may still make one, and there were some ti ones (to 26) on Cambria reduced to something like $39. Otherwise, I run a Thomson shim on a Thomson stem on my Zanc CX bike, and you'd never know it was there, feels totally bombproof. Shim costs $10.

[David Kirk]

The shims are simple and work perfectly in my experience - slip it in the stem and then treat it like a 1" and call it a day. I've never had any noise from the set up and never heard of anyone having the issue.

The steerer on the F1 is steel and an old school starnut works just fine. They can be hard to get out if you ever need to remove them however I can't think of a reason you'd need to.

Have fun.

Dave

[Joachim]

Thanks! Shim seems the way to go then.

[itsflantastic]

I think I have a 110 threadless stem for a 1 inch fork. It's even photographs "serotta". I'lll checl into out when I get home

[Joachim]

That will be great, thanks!

[itsflantastic]

both of my extra stems are 1 1/8. I guess I used them with a shim on my bike back in the day. The "Serotta" labelled stem is still yours if you'd like to match that fork. It's a 100, not a 110. Here's a picture:

[tepextate]

Bump on this thread...

I'm building up a Kirk with a 1" steerer tube and am going to CK 1" NoThreadSet.

Is the 1" headset going to look weird next to a 1 1/8 inch spacers and stem?

[herb5998]

well, you can run the shim for the 1 1/8th stem of your choice, and 1" spacers above below. That's what I'm running on my Kirk Onesto.

[tepextate]

Thanks for the advice. How does the stem/spacer interface look? Will there be a noticeable step up / down in size?

[AngryScientist]

simworks/nitto steel stem would look great on a steel kirk!

[jkbrwn]

I think it looks perfectly acceptable. 1” NoThreadset with a 1” > 1 1/8” shim, spacer and stem.

[oliver1850]

1" threadless stems do exist if you look around. I don't know who made this one but it's nicely made. Control Tech and Icon made fabricated AL road stems, I'd guess that Syncros did as well. I have a NOS Icon somewhere.

[PTinz]

In the process of posting, but I have a 1” (w shim) or 1 1/8th (no shim), 3T zeppelin stem, 120 mm, +/- 14 degrees, 26.0 clamp space, let me know if interested, and GLW the search.

[fxyris]

A shim works perfect but one option i've not seen mentioned yet is the OnebyESU 1inch Ahead Stem.

It clamps onto a 1inch steerer tube and comes with a bar clamp diameter of either 26.0 or 31.8mm.

[jemdet]

I have never found a new one that fit the bill. The 1" threadless era was pretty short lived, but there are a few good options out there if you're in the used market.

There are some hideous examples (the 3T Mutant, for instance). Cinelli Grammos aren't that hard to find but fetch a pretty penny. 3T, ITM, Control Tech, etc. made a bunch.

Further complicating matters is the fact that some models were made in both 1 and 1-1/8 versions. The ITM Big One is one such example. Have to be pretty trusting of eBay sellers.

I don't like shims, personally. An aesthetic preference rather than a technical one. Whether it looks silly depends on your bike's geometry. Older carbon frames with 1" headsets have larger headtubes than your usual lugged steel frame.

Richard Sachs cyclocross team frames are good visual examples of a steel 1" frame with a shimmed 1-1/8 stem.

[rustychisel]

Cinelli Grammo were threaded and threadless. Nice stems, I must say. Flexy as all getout.

One of the nicest I ever used was the Cinelli Solido. Fairly light for the time, came in black.

[herb5998]

@tepextate

Picture for the setup on my Kirk

1" CK Headset,

1" spacers (Problem Solvers)

Thomson Shim 1" to 1 1/8th, Stem is a Specialized S Works

https://live.staticflickr.com/65535/51523923059_9fd4abf8bf_b.jpg (https://flic.kr/p/2muZzg2)Untitled (https://flic.kr/p/2muZzg2)

https://live.staticflickr.com/65535/51370725777_9724b04dc3_b.jpg (https://flic.kr/p/2mgsp3z)Untitled (https://flic.kr/p/2mgsp3z)

[ghammer]

if you want to threaded to threadless, i highly recommend this:

https://www.youtube.com/watch?v=DOlHzF64kmg

I have it on a recent frame (early 90s) and it brings the bike back to life, while improving the handling significantly.

good luck.

G

[oldpotatoe]

Bump on this thread...

I'm building up a Kirk with a 1" steerer tube and am going to CK 1" NoThreadSet.

Is the 1" headset going to look weird next to a 1 1/8 inch spacers and stem?

When 1 inch was still pretty plentiful and 1 1/8inch stems were the 'norm', a lot, like Ritchey came with a spacer/shim to use with a 1 inch fork and it looked fine.

[unterhausen]

I think they look fine. Stems match up to the headset or spacers pretty well. The shims work well. If you don't get a shim with your stem, your bike shop probably has some.

[reuben]

I'm using one of these. VO may actually have them - I went to their local warehouse and got one easy peasy. As David Kirk and other said, they work perfectly.

https://velo-orange.com/collections/shims-adaptors-accessories/products/stem-shim-1-to-1-1-8

[Mike V]

My Merlin has a 1in fork. The Moots stem and spacer are 1 1/8. I made a shim the height of the stem and spacer. Nobody has ever noticed.
https://uploads.tapatalk-cdn.com/20210927/94baa67e363a0f600f90d61574c65f51.jpg

[Pastashop]

if you want to threaded to threadless, i highly recommend this:

https://www.youtube.com/watch?v=DOlHzF64kmg

I have it on a recent frame (early 90s) and it brings the bike back to life, while improving the handling significantly.

good luck.

G

It’s a great product concept! …except that it appears that the expander portion that fits into the steerer tube doesn’t go sufficiently deep to clear the threaded portion of the steerer tube. If that is indeed the case, the problem it creates is increased risk of ovalizing the steerer tube or, far worse, the steerer tube shearing off in that region, because the threaded section is a lot weaker than the non-threaded portion under the type of loading it experiences in this configuration. That’s why all quill stems have a “Max Height” mark on them, so you don’t end up with the expander wedge in that region. So… please assure me that the split section fully clears the threaded region of the steerer?..

[classtimesailer]

last I looked, there were plenty of 1" x 26mm 3T Mutants on the bay. They may look silly from the side to some folk but from the riders view, they look pretty cool. However, they are heavy.

[thisissaad]

Crust has a threadless 1” made by nitto, with 26 or 31.8 bar clamp: nitto x crust 1” (https://crustbikes.com/collections/stems/products/nitto-x-crust-1-threadless-stem)

[!@#$%^&*()]

My Merlin has a 1in fork. The Moots stem and spacer are 1 1/8. I made a shim the height of the stem and spacer. Nobody has ever noticed.
https://uploads.tapatalk-cdn.com/20210927/94baa67e363a0f600f90d61574c65f51.jpg
If you want to sell that front wheel or swap it for a 16 spoke, let me know.

[markie]

There are threadless 1” stems still around:

https://crustbikes.com/collections/stems/products/nitto-x-crust-1-threadless-stem

Not the first to notice!

[!@#$%^&*()]

There are plenty of 1" stems out there, but most look pretty awful. Stems like OneByESU are fully forged and do not look like a fabricated mess. It is finding the good looking ones in the right geometry that is proving difficult. OneByEU has an annoying -13 degree (+their 'bar drop taking things to -15.8 degrees @ 120mm). That really does not work with a horizontal top tube. It is close (but no cigar). In the vast majority of cases you need -17 for that.

[Tall]

I have hoarded a bunch of 1" threadless stems in various lengths over the years. Mostly steel, mostly 26.0mm, all black. If anybody is looking for something in particular, I may have it.

[whatshubdoc]

I use Bontrager and Specialized stems on 1" forks due to their thinner "neck" diameter. Helps to keep the bike from looking top/front heavy.

[choke]

Cinelli Grammo were threaded and threadless. Nice stems, I must say. Flexy as all getout.
Interesting. I have threadless Grammos on two different bikes and I have never found them to be flexy.

[Pumablk]

There is a ti option if you feel like going the Aliexpress route. They can make the still desired 25.4 fork clamp/31.8 bar clamp for use with modern bars.

Tiris - https://www.aliexpress.com/item/10000410473348.html?spm=a2g0o.productlist.0.0.51be 2303CSj60i&algo_pvid=d111ee00-322c-4ee1-9157-a8aa0d5732d3&algo_exp_id=d111ee00-322c-4ee1-9157-a8aa0d5732d3-27&pdp_ext_f=%7B%22sku_id%22%3A%2212000018866479267%2 2%7D&pdp_pi=-1%3B79.5%3B-1%3B-1%40salePrice%3BUSD%3Bsearch-mainSearch

There are other brands, J&L and Tito, but look like they all come out of the same factory. You can also purchase through eBay.

[Gummee]

1" threadless stems do exist if you look around. I don't know who made this one but it's nicely made. Control Tech and Icon made fabricated AL road stems, I'd guess that Syncros did as well. I have a NOS Icon somewhere.

One of my 2 Forge Ahead stems is 1". The other's 1 1/8. I've got a 110 and a 120. 0deg

I don't remember which is which, but they did make them in 1" They're only for metal steerers tho. They've got the pinch bolt style of securing

Se vende

M

[Mark McM]

Interesting. I have threadless Grammos on two different bikes and I have never found them to be flexy.

I'm using both threadless and quill Grammo stems. In my experience, they are roughly a similar stiffness to a forged aluminum 1" quill stem, but they are definitely flexier than a tubular aluminum 1 1/8" threadless stem. I believe all Grammo stems used 26.0mm handlebars, which also contributes to overall flexiness.

[donevwil]

We should have a group Paceline 1" threadless stem classified FS ad. I have a bunch of them, but they never sell. Always comes down to someone looking for one.

[!@#$%^&*()]

Always comes down to someone looking for one.
Err, it always will. If someone doesn't want one they ain't gonna buy one...

[!@#$%^&*()]

If you want to sell that front wheel or swap it for a 16 spoke, let me know.
Actually, I take it back. That's a Gen 2 wheel. I need a Gen 3 20 spoke front.

[Mike V]

Actually, I take it back. That's a Gen 2 wheel. I need a Gen 3 20 spoke front.

People have different interpretations of the generations of Lightweights. I have done something to those wheels on that bike that would throw people off. These are Gen 1 wheels.