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26.4 Bars n 26.0 stem?

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Old 11-25-09, 08:31 PM
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robertkat
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26.4 Bars n 26.0 stem?

I searched but this stupid new forum layout is not helpful. Anyhow, I need some help on stem to bar clamp sizing. I have a very nice old Cinelli bar I want to put on one of my bikes but I'm having a hell of a time finding a stem in the length I need that has a quill that isn't stupid short. The bar is a Cinelli "Giro D'Italia" 64-42. I have found a very nice old Nitto "Pearl" stem that is listed as 26 clamp. Will the Cinelli 26.4 be ok in the Nitto stem? I'm not too familiar with Nitto stems but it looks nearly identical to the Cinelli stem I have that's too short. Or should I be safe and correct and hold out until I find what I need?
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Old 11-25-09, 09:00 PM
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No stupid, you need a 26.4 stem like a Cinelli.
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Old 11-25-09, 09:13 PM
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I have honed a 25.4 to 26.0, but I really would shy away from honing a stem out to cinelli size, in my case it was a dia-compe stem made by nitto and I honed it for a nitto bar. AFAIK nitto pearls stems have no more quill length then a cinelli quill stem... at least I have never seen or heard of one.
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Old 11-25-09, 09:43 PM
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I came into this problem recently- trying to fit cinelli criterium bars (26.4?) into a superbe (26.0?) stem. Does the 26.4 size only pertain to cinelli and a regular road bar is 26? I've never been good with handlebar diameters...
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Old 11-25-09, 09:50 PM
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Yeah, I believe 26.4 was Cinelli proprietary. Now - they made a lot of Cinelli bars, but they were the only ones I think. New Cinelli bars are 26.0.
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Old 11-25-09, 11:08 PM
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Find what you need. Go with the model 1A and ONLY 1A . Cins. are unique and the 26.4 stems are sill easy to find. Avoid problems, such problems occur more than just occassionally.. remember 1A. Failures have been experienced with one particular model Cinelli but NOT the 1A. Other problems arrise with the wrong size.
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Old 11-25-09, 11:30 PM
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www.universalcycles.com you've been advised
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Old 11-26-09, 12:54 AM
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My first road bike has a 3ttt stem with a cinelli bar. I didn't know what I was doing, I removed the bar and latter tried to reinstall a wider cinelli bar on the stem and the stem cracked... I learned the hard way.
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Old 11-26-09, 05:11 AM
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I've fit 26.0 bars into 25.4 stems with some prying. That's a bigger difference than 26.0 to 26.4. I wouldn't shy away from doing/trying it.
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Old 11-26-09, 05:49 AM
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Keep the Nitto Pearl stem, it is a very nice stem. Then order up a Nitto Noodle bar in a 42 or 44 width in an approriate 26.0 stem size. Install. Wrap bars in favorite tape. Go riding. Seems simple, cause it is! Enjoy your bike safely.
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Old 11-26-09, 06:12 AM
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Originally Posted by old and new View Post
www.universalcycles.com you've been advised
No help. Out of stock.
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Old 11-26-09, 09:04 AM
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Originally Posted by Dirtdrop View Post
No help. Out of stock.
Yeah, I saw that after; e-bay I suppose... It was YOU who'd shed light on that one bad Cinelli Stem.
I'd no idea that they'd had problems. A member asked, provided a link that you'd reviewed on that particular site. The thread took on a life of its own with a few others who'd exp. problems as well.
You had a leg-up on that one Dirtdrop. Happy Thanksgiving.
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Old 11-26-09, 05:18 PM
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Originally Posted by robertkat View Post
I searched but this stupid new forum layout is not helpful. Anyhow, I need some help on stem to bar clamp sizing. I have a very nice old Cinelli bar I want to put on one of my bikes but I'm having a hell of a time finding a stem in the length I need that has a quill that isn't stupid short. The bar is a Cinelli "Giro D'Italia" 64-42. I have found a very nice old Nitto "Pearl" stem that is listed as 26 clamp. Will the Cinelli 26.4 be ok in the Nitto stem? I'm not too familiar with Nitto stems but it looks nearly identical to the Cinelli stem I have that's too short. Or should I be safe and correct and hold out until I find what I need?
I've wrestled with this one several times now. Basically, it is hard but not impossible to force s 26.0 Nitto stem open enough to load in a 26.4 Cinelli (or the rare old Ambrosio) bar. But the right fit for the old Cinelli bar really is the Cinelli stem, and I second staying with the 1A model. Loads of them on Ebay if not at the new sellers, and how can you beat that classic shape?

If you need a stem that is not stupid short (assume here you mean a Cinelli, Pearl, 3TTT, or Modolo) you're about out of luck to use a vintage Cinelli bar. Again it can be forced to fit, but there may be breakage. Available stems that are taller than the Pearl style include the Technomic Deluxe (roughly 4 cm taller than a Pearl) or the Technomic ( a towering 10+ cm taller than a Pearl). Both of these are available in a wide range of extensions, and with 25.4 or 26.0 clamps. For these stems I'd buy a 25.4 or 26.0 bar, Nitto, modern Cinelli, 3TTT, Modolo, or whatever suits your hands, and have a proper clamp fit. It will go together better and easier, too.
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Old 11-26-09, 06:31 PM
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No one asked, so I will. How tall and long of a stem do you need?

I've done the 26.4 bar in a 26.0 stem, by wedging it open, carefully sliding it on, and then releasing the wedge.
HOWEVER,
Any adjustments after you release the wedge will gouge the sleeve. I tried, but couldn't avoid it. It was hard enough to pry it open far enough to slide over the sleeve, much less do it without scratching the sleeve up. I polished it the best I could, but never took apart that bar/stem combo again.
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Old 11-26-09, 08:31 PM
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Originally Posted by RobbieTunes View Post
No one asked, so I will. How tall and long of a stem do you need?
I'm looking for a 10 or 11 cm, 10 would be best I think. Most of the stems I've seen look like the quill is too short to get a decent height, although I forget how much you need for min insertion. The Pearl stem looks good. Are they pretty much the same as the Cinelli stems as far as the quill length goes? Now that I think about it, the stem I need to replace is a Cinelli (1A 9cm, I believe) and when set to the minimum insertion mark, it was slightly too low as far as bar height goes. I don't mind being slightly low, although I worry about the longer rides. The bike is doing double duty for brevets until late next summer when I get something new built. Right now I have a 10cm stem on an adapter but the look bugs me and it just seems out of place on the bike. I want to keep the bike in more original condition, especially after I get the frame repainted.

I would like to keep the bar and stem Cinelli. I feel bad enough that I have an Italian bike built up with Sun Tour.
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Old 11-26-09, 08:46 PM
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By the way, what are the arguments against some of the other Cinelli stems? I personally think the 1A is one of the most beautiful parts ever made for a bicycle, but the XA(?) seems neet. The one that has the hidden clamp bolt. Is it that you can't get the correct clamping force on it? I know the Dura Ace stems that were similar seem to be a hot item.
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Old 11-27-09, 12:53 AM
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The Nitto model 176 is an almost identical replica of the Cinelli model 64, plus it's a beautiful handlebar. I would get some of those and use a Nitto Pearl or Technomic.
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Old 11-27-09, 02:27 AM
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I've done similar things. You need a solid wedge, preferably steel, of an appropriate size. You tap the wedge into the bolt pinch gap in the stem (of course, you leave it there, too). This prys open the gap and allows you to insert the bars. Pop out your wedge and you are done.

You do run the risk of cracking (destroying) the stem if you try to wedge open it too far. Open it only enough to accept the bars.

By far, the preferred approach is to get a properly fitting stem.
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Old 11-27-09, 04:12 AM
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I have used a screw driver to spread the stem (and am alive to post about it)--- we are talking about a fraction of a mm here. I fail to see the problem here. I doubt many stems or bars are truly built to exact specs anyway. We aren't talking about bearings here.

Originally Posted by Mike Mills View Post
I've done similar things. You need a solid wedge, preferably steel, of an appropriate size. You tap the wedge into the bolt pinch gap in the stem (of course, you leave it there, too). This prys open the gap and allows you to insert the bars. Pop out your wedge and you are done.

You do run the risk of cracking (destroying) the stem if you try to wedge open it too far. Open it only enough to accept the bars.

By far, the preferred approach is to get a properly fitting stem.
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Old 11-27-09, 08:07 AM
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I agree with filtersweep.

Nitto makes a special tool for spreading stems, but it's rather expensive.
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Old 11-27-09, 09:12 AM
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Couple of items:

While visiting Tuscany this past summer, the majority of road bike riders I observed were not using Campy on their bikes, it was Shimano by a land slide. Only my third visit to Italy, but same observations each visit. Many Italians, apparently, don't seem to worried about Japanese parts on their Italian bikes. I couldn't care less as well, and I have too many Italian bikes. In fact, I am picking up another today. With Dura Ace.

Suntour made some beautiful, nicely performing gear. You may also feel no remorse for having these components on your Italian bike.

Fivethumbs solved this difficult puzzle for us without buying "special" tools. I made a similar suggestion. Get out your allen wrenches, buy the compatible parts, install, ride. You really can't miss.

Go on ebay Robertkat and buy to your hearts content. Cinelli stems are cool, so are their bars. Harder to find, but we have a LBS that happened to have them in stock for good prices. We put an XE stem and Model 64 bar on my wife's Primato. So far, so good. So easy to install, yet so satisfying. She thinks it looks nice.

Good luck.
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Old 11-27-09, 10:25 AM
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I can see both.
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Old 11-27-09, 12:58 PM
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I can see your signature picture but your pic in post #6 is a red X
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Old 11-27-09, 02:54 PM
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Originally Posted by filtersweep View Post
I have used a screw driver to spread the stem (and am alive to post about it)--- we are talking about a fraction of a mm here. I fail to see the problem here. I doubt many stems or bars are truly built to exact specs anyway. We aren't talking about bearings here.
If you mike a few new bars, you'll find them rather consistent and as advertised.

The fact that you can bend something doesn't mean that you should. Aluminum is nowhere near as ductile as steel, even high-strength alloyed steel. We're taking a chance when we force-fit stems, there's no doubt about.

Yeah, I survived one, too.
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Old 11-27-09, 05:04 PM
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Road Fan is right on the money. As I mentioned earlier, just buy new or nearly new bits that are compatible. Sometimes the corner bends on noodle bars (or Cinelli 64s for that matter) can be a pain, depending on the stem. Just take your time and don't force the piece. They don't need additional stressors, they get plenty on the road. Its really not worth oral surgery. In fact, there was a good thread lately about the Cinelli XA stem. Enough people pointed out they are somewhat prone to failure. I took it off the bike right away, whether I needed to or not. These components are not worth risks, I like riding way too much to have these types of issues.
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