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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 11-17-08, 05:25 PM   #1
bmcginn
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26.0 bars in a 25.4 clamp???

anyone done it? or anyone have opinions? i feel like it wouldnt be that of a deal but was curious if people have done it or are running it. any input is nice. even negative...i like to laugh.

thanks for the help amigos
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Old 11-17-08, 05:26 PM   #2
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Friend of mine has done it with his 25.4 Thomson, according to him he's never had a problem.
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Old 11-17-08, 05:28 PM   #3
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thanks for the quick reply. thats what i was thinking. since it keeps becoming harder to finD 26.0 thomson stems since they are out of production i wanted to be able to run pursuits and flats and they have different clamp diameters
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Old 11-17-08, 05:58 PM   #4
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I bought 26.4 Cinelli giro bars to go with a Colnago(ITM) 26.0 stem. The bar doesn't sit flush in the bars. It may work for you but it didn't in this situation for me.
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Old 11-17-08, 06:04 PM   #5
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thanks for the quick reply. thats what i was thinking. since it keeps becoming harder to finD 26.0 thomson stems since they are out of production i wanted to be able to run pursuits and flats and they have different clamp diameters
So are the thomson stems on www.bikeparts.com all 25.4 even though they say 26?
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Old 11-17-08, 06:08 PM   #6
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I ran this set up for a little while. My bars now have dents in them from the stem and I am a little frightened to use them now. they are probably fine to be honest
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Old 11-17-08, 06:14 PM   #7
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Stretching 26.0 to 26.4 used to be fairly common, and frowned upon, when Cinelli was still rolling 26.4, but that was on single bolt stems so it may be more palatable on a 4 bolt stem, but you might not get as good of contact between the bar stem. If you ride really aggressively or put in lots of miles you might want to hold out for the right fit.
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Old 11-17-08, 06:17 PM   #8
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I ran this set up for a little while. My bars now have dents in them from the stem and I am a little frightened to use them now. they are probably fine to be honest
You over tightened them.

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Stretching 26.0 to 26.4 used to be fairly common, and frowned upon, when Cinelli was still rolling 26.4, but that was on single bolt stems so it may be more palatable on a 4 bolt stem, but you might not get as good of contact between the bar stem. If you ride really aggressively or put in lots of miles you might want to hold out for the right fit.
Old style quill stem - Bad
Two bolt pop top - You probably won't die, but make sure you've got good dental none the less
Four bolts - Either way works just fine. Just don't go gorilla on tightening this down
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Old 11-17-08, 06:43 PM   #9
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I like how 7 posts detail saying it's ok without even asking the OP if it's a quill or threadless stem. Please everyone, just stop posting incorrect nonsense before you get someone killed or seriously injured.
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Old 11-17-08, 06:48 PM   #10
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it would be a 4 bolt threadless stem just to let you know..either a thomson elit or nitto
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Old 11-17-08, 06:54 PM   #11
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I was also wondering if this was for a quilled stem. No sweat doing this with a removable face plate but can be very difficult on a standard quill stem. I've actually pryed the heck out of my Nitto track stem and inserted 26mm bullhorns. It's still holding strong after 4 years.
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Old 11-17-08, 07:19 PM   #12
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yea i figured it would be cool with a removable face plate. thanks for the help amigos

now Nitto UI-5GX Threadless Stem or thomson elite?
i would probly get the nitto in 90 and so far i havent gound the elite in a 90 but havent looked hard. so suggestions? preferences? opinions?

i got some Nitto 2500AA as a gift which are hte 25.4 and have some bullhorns but they are on my beater so i might get some pursuits. whats the difference in hte rb019 and rb021??
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Old 11-17-08, 11:49 PM   #13
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ui-5gx is a solid stem. that's what I run.

rb019 is flat. rb021 has a drop.
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Old 11-18-08, 12:00 AM   #14
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I like how 7 posts detail saying it's ok without even asking the OP if it's a quill or threadless stem. Please everyone, just stop posting incorrect nonsense before you get someone killed or seriously injured.
Please explain how a quill or threadless stem would affect the stem/handlebar junction differently.

threadless


quill


You should now what you're talking about before talking sh**.

Last edited by BoSoxYacht; 11-18-08 at 12:11 AM.
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Old 11-18-08, 12:02 AM   #15
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threadless usually has a removable face plate, quill usually doesn't. OBVIOUSLY
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Old 11-18-08, 12:03 AM   #16
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Please explain how a quill or threadless stem would affect the stem/handlebar junction diferently.

You should now what you're talking about before talking sh**.
Because you're bending a piece of aluminum. Generally considered a BAD idea.
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Old 11-18-08, 12:04 AM   #17
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i did it with a quill and just pried the clamp open w/ a crowbar... pretty ghetto/lazy/cheap of me but so far no issues
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Old 11-18-08, 12:05 AM   #18
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i did it with a quill and just pried the clamp open w/ a crowbar... pretty ghetto/lazy/cheap of me but so far no issues
Oh for **** sake...
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Old 11-18-08, 12:12 AM   #19
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You know what, forget it. Just jam a set of these in there and forget I said anything:

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Old 11-18-08, 12:15 AM   #20
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thanks for the helpful posts amigos....i knew it was threadless. i have a stem on it currently. i figured after my second post where i talk about gettin a thomson stem everyone would assume it was threadless. i guess i was wrog
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Old 11-18-08, 12:19 AM   #21
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Because you're bending a piece of aluminum. Generally considered a BAD idea.
my point is that the way the stem mounts to the fork, has nothing to do with the way it holds the handlebars. The photos should make that point obvious to anyone that isn't blind.
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Old 11-18-08, 12:21 AM   #22
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my point is that the way the stem mounts to the fork, has nothing to do with the way it holds the handlebars. The photos should make that point obvious to anyone that isn't blind.
Don't pretend you didn't edit those pictures in there after I wrote that. You know as well as I do most quill stems don't have a removable faceplate.
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Old 11-18-08, 12:28 AM   #23
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Don't pretend you didn't edit those pictures in there after I wrote that. You know as well as I do most quill stems don't have a removable faceplate.
I did edit the post before reading your post. It takes a moment for me to load them into Photobucket.

before threadless stems became the norm, many quill stems had removable faceplates.

I stand by what I said in my first post to operator.
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Old 11-18-08, 12:33 AM   #24
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FWIW after the first reply, the OP stated he was planning on using a Thomson stem.
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Old 11-18-08, 12:37 PM   #25
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OP, there's some misinformation in here. there's no way in hell i could fit a 26 bar in the 25.4 clamp on my elite. maybe you're using a bulge formed bar that's not quite 26, but any of the sleeved bars i tried (mavic pursuit, nitto jitensha studio) would definitely not fit.
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