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 Post subject: road stem on a MTB
PostPosted: Mon Aug 20, 2007 7:32 pm 
Retro Guru
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Joined: Mon Jan 29, 2007 2:14 pm
Posts: 373
Location: Oxfordshire
standard road bars are 25.8/26.0 where as MTB bars are 25.4 - this seems to much of a difference to me to be able to safely use a mtb bar in a road stem - am i right or wrong?! :?


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 Post subject:
PostPosted: Mon Aug 20, 2007 7:40 pm 
King of the DuckBoard
King of the DuckBoard

Joined: Sun Jan 28, 2007 12:30 pm
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Don't think its that simple. As BMX use similar dia as mtb but you wouldn't put it on a mtb. But John Tomac had road bars for a while. If your not a heavy rider then it may work. :)


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 Post subject:
PostPosted: Mon Aug 20, 2007 8:40 pm 
Gold Trader
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Joined: Sat Jul 29, 2006 11:14 pm
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Location: Somerset
It is too much of a difference. I am a sturdy chap and have never liked flexy bars so on my rod bike I use Profile road bars which are avalible in 25.4 These are clamped in a Syncros road stem for 25.8 but do up fine.
They did not like either Cinelli or 3ttt stems.

Hope this helps. :D


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 Post subject:
PostPosted: Tue Aug 21, 2007 1:24 pm 
Devout Dirtbag

Joined: Thu Apr 19, 2007 6:35 pm
Posts: 122
Location: Denmark
Back in the day, when 0 rise stems for mountain bikes were not around, we used to put cinelli stems on our bikes. Hyperlites and X-lites held in place no worries.

The stems were dead light to, not sure they would be up to hucking and stuff but for xc they seemed fine. Iwas 3 stone lighter then though!!!


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 Post subject:
PostPosted: Tue Aug 21, 2007 8:52 pm 
Devout Dirtbag

Joined: Wed Jun 14, 2006 9:37 pm
Posts: 104
I run a control tech and trek icon 1" road stem on different mtbs with normal mtb handlebars with no problems. I'm fairly light - 11 stone or ?160lbs - and both are 1 bolt stems. This means as you tighten the bolt past where it would be with a road bar, the two halves of the clamp almost but not quite touch before the right torque is hit. Try it - if the two halvs touch then it deffo won't work, if they don't, it should*

Ian















*SSBonty takes no responsibility for chipped nails, dusty lycra or death resulting from loss of control if in fact this bodge doesn't work.


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 Post subject:
PostPosted: Wed Aug 22, 2007 9:51 am 
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Joined: Mon Jan 29, 2007 2:14 pm
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Location: Oxfordshire
i'm looking at the modern Ritchey stems as I can get a cheap road one, these are in two halves and I don't think would be right - and I can't try before I buy (they're coming from switzerland :wink: ) - someone here might be getting me a NOS Ritchey Forcelite, if not I thnik it'll be an OS stem/bar, not exactly retro but cheaper and allows me to have some nice carbon bars 8)


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 Post subject:
PostPosted: Wed Aug 22, 2007 10:26 am 
B.o.T.M. Winner / Feature Bike
B.o.T.M. Winner / Feature Bike
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Joined: Tue Dec 13, 2005 3:26 pm
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Location: Tilting at windmills and shouting at the rain.
You can get a nice little nitto shim that shims from 25.4mm to 26.0mm, works a treat (or if you're brave you can use coke can!). There's a UK company call Hubjub that does em and posted out real quick:

http://www.hubjub.co.uk/nitto/nitto.htm

Was using one of these on a road bike with flat bars for a while with no problems


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 Post subject:
PostPosted: Wed Aug 22, 2007 10:28 am 
B.o.T.M. Winner / Feature Bike
B.o.T.M. Winner / Feature Bike
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Location: Tilting at windmills and shouting at the rain.
And while your at it, look at this:

http://www.hubjub.co.uk/nitto/nittoct80zm.htm


Image


Nitto chromo fillet brazed stem, mmmmmmmm


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 Post subject:
PostPosted: Wed Aug 22, 2007 11:13 am 
BoTM Winner / retrobike rider
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pete_mcc wrote:
You can get a nice little nitto shim that shims from 25.4mm to 26.0mm, works a treat (or if you're brave you can use coke can!). There's a UK company call Hubjub that does em and posted out real quick:

http://www.hubjub.co.uk/nitto/nitto.htm

Was using one of these on a road bike with flat bars for a while with no problems


Coke can has many applications in bike bodging - i mean engineering :lol:


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 Post subject:
PostPosted: Wed Aug 22, 2007 2:20 pm 
Retro Guru
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Joined: Mon Jan 29, 2007 2:14 pm
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Location: Oxfordshire
pete, nice stem but £70 and over 300g, too heavy (on the bike and the wallet!)

shim looks good, but the coke can solution (or any generic aluminium drink can :wink: ) appeals to the self reliance in me!


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