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PostPosted: Wed Nov 13, 2013 7:35 pm 
Devout Dirtbag

Joined: Sun Oct 13, 2013 7:53 pm
Posts: 104
I've been trying in vain to fit al old GB stem to some Cinelli Giro d'Italia bars. The bend on the bars seems to be too acute for the stem to travel round the bend. The stem clamps with a nut and bolt so I cannot use the coin trick to expand the clamp. Is there a knack, or do I need a set of matching GB bars?? Help me please.


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PostPosted: Wed Nov 13, 2013 7:45 pm 
Old School Hero
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Joined: Sat Dec 03, 2011 2:27 am
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Location: WIRRAL
Try making a wooden wedge to spread the clamp?,,Mark


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PostPosted: Wed Nov 13, 2013 10:38 pm 
Retro Guru
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Joined: Mon Jul 31, 2006 3:07 pm
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Or can you get two skinny nuts (on a bolt of course) between the clamp faces?
You then screw them away from each other....


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PostPosted: Wed Nov 13, 2013 10:52 pm 
GOLD | PoTM | Rider | rBOTM
GOLD | PoTM | Rider | rBOTM
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Location: 54 Festive Road Winchcombe GLOUCS Yarp...
I used a very large screwdriver in the gap with bolt removed. Twist and move at same time in short steps.


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PostPosted: Wed Nov 13, 2013 11:29 pm 
Old School Grand Master
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Location: Heathfield, East Sussex
The History Man wrote:
I used a very large screwdriver in the gap with bolt removed. Twist and move at same time in short steps.


This... 8)


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PostPosted: Wed Nov 13, 2013 11:34 pm 
Devout Dirtbag

Joined: Sun Oct 13, 2013 7:53 pm
Posts: 104
Thanks guys. I was wondering if I had a mismatch (Italian bars & GB stem) but hopefully with a combination of force, twisting and shouting I might succeed. I've already been smacked in the mouth with the end of the bar tonight - I'll give it another go tomorrow.


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PostPosted: Wed Nov 13, 2013 11:35 pm 
retrobike rider / Gold Trader
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Joined: Sat Jul 21, 2007 9:48 am
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Cinelli bars are generally only compatible with cinelli stems, though that's more about the diameter of the bit the bars clamp to.


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PostPosted: Wed Nov 13, 2013 11:44 pm 
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Joined: Sat May 22, 2010 10:33 pm
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old cinellis use a 26.4mm clamp area. Some bars have bends which make them tight trying to fit them ease them in wiggle them in normally works. Some stems accapt bars better than other too. 3ttt alien with Deda 215 shallow drop was really really tight but with a nitto stem it was easier.


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PostPosted: Wed Nov 13, 2013 11:52 pm 
Devout Dirtbag

Joined: Sun Oct 13, 2013 7:53 pm
Posts: 104
I bet I'll struggle like crazy to get the stem around the tight bend only to find it won't fit over the wider clamping area. I'm good at visualising failure - I've been there so many times before. I might bite the bullet and forget about the Cinelli bars and look for some GB Maes bars instead. Do you think this will guarantee success??


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PostPosted: Thu Nov 14, 2013 12:02 am 
retrobike rider / Gold Trader
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Joined: Sat Jul 21, 2007 9:48 am
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be much more chance than cinellis. Nothing's guaranteed with daft old bikes tho


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