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PostPosted: Tue May 20, 2014 2:49 pm 
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Joined: Tue May 20, 2014 2:33 pm
Posts: 1
Location: Lagos, Nigeria
IhmeKameli wrote:
Obviously many of you have installed these on your bikes.Could you please tell me safe torques (Nm) without slippage, when installing Superleggera bars to the Superleggero stem.
Only information i have found is on Deda website, first 5Nm then 8Nm.This is way too much, i think.
I do have a good torque wrench (Wera), and always use carbon paste for this kind of jobs.
Thanks in advance.


Above 5Nm will lead to bars giving way

Did an install, went by feel, all ok.

Then read the manual and (stupidly) went that route.
5Nm, all tight
Went up and the little.tiny.bad sound of carbon giving way......

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PostPosted: Sun Jun 01, 2014 10:53 am 
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Joined: Wed Dec 29, 2010 10:22 pm
Posts: 481
Location: Bristol uk
I am on my second set of bars as the first set was torque to 5nm and cracked,i got refunded and bought a second set then crack hit a pothole and bars cracked again,these bars are s**t and wafer thin,3t for me now all the way.
Image

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PostPosted: Sun Jun 01, 2014 11:37 am 
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Joined: Sun Mar 16, 2014 3:43 pm
Posts: 447
What stem do you use with these cracked bars?


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PostPosted: Sun Jun 01, 2014 12:30 pm 
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Joined: Wed Dec 29, 2010 10:22 pm
Posts: 481
Location: Bristol uk
BRM wrote:
What stem do you use with these cracked bars?

deda superleggero stem,it seems like the front plate digs in as its in 2 pieces, causing it to crack.
I think if it was a one piece plate it might be different.

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PostPosted: Wed Jun 18, 2014 12:32 pm 
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Joined: Sun Jan 26, 2014 3:44 am
Posts: 334
borja wrote:
I have been talking with the deda engineer.. superlegera/superleggero is made to be good in stifness to weight ratio, however they are not engineered to be as stiff as Deda35.
I use 35 superleggera bar + 35 alloy stem 120mm and all together feels really stiff. The bar is very stiff on the top but not so on the drops.


I started a new thread about this, but should have replied to this instead. So here goes;

I have the Superleggera stem, bars and seat post.

Stem is fine, as is the seat post.

The bars though...

-Flexy as hell in the drops. I was on Zero100 before and they were much stiffer.
-They slipped at the stem a few times, despite being correctly torqued to 5nm with a digital torque wrench, and carbon assembly paste being present.
-The place where the shifters clamps shows some damage (light compression of the carbon, rather than cracking, but I am keeping a very close eye on it, rest assured)

For the money, I am pretty much unhappy with them...


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PostPosted: Wed Jun 18, 2014 1:42 pm 
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Joined: Sun Oct 05, 2008 8:09 pm
Posts: 1354
Location: Aix en Provence
I have both the superlegerra and the 35 superlegerra, the 35 combo is clearly stiffer but I wonder if the stem has a lot to do with it. The 35 stem as one full faceplate where the superlegerro 31.8 stem has just 2 pieces.


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PostPosted: Wed Jun 18, 2014 11:41 pm 
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Joined: Sun Jan 26, 2014 3:44 am
Posts: 334
When holding the bars on the tops, as far from the centre as possible, I can only induce a small amount of flex with my hand, at a stand-still, with both my feet on the floor.

Doing the same thing, with my hand in the drops, I can see visible flexing, without pushing very hard at all.

While the stem may have something to do with this, I think this is more a case of the drop area not being made stiff enough.


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PostPosted: Fri Aug 29, 2014 12:31 pm 
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Joined: Sat Aug 23, 2014 10:36 am
Posts: 132
Deda made some improvements in Superleggera handlebars for 2015 such as internal cable routing, 1cm inreased drop length and more contact area for the upper side. The weight for No 42 is slighlty reduced at 176 gr - I will post some pics later....


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PostPosted: Fri Aug 29, 2014 1:40 pm 
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Joined: Mon Oct 25, 2004 5:56 pm
Posts: 172
Thx!


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PostPosted: Sat Aug 30, 2014 4:00 pm 
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Joined: Tue May 28, 2013 10:50 pm
Posts: 140
Whoa... how can we tell if retailers have the 2015 version? Is there a different SKU to look for?
Any improvements to the stem to reach the advertised weights? Same with Seatpost.


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PostPosted: Sat Aug 30, 2014 10:16 pm 
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in the industry

Joined: Sat May 12, 2012 7:25 pm
Posts: 2652
Location: Glermsford, Suffolk U.K
No problems with the bars here but I have been very cautious about torque. Done mostly buy feel but the VAR torque wrench says I have done them to 4NM. I have used carbon paste as well. Hit many holes hard and the bars have not budged or cracked so 4NM may be the limit. I don't think the bars are bad so long as you do not over torque, instructions I find can be misleading and I mostly ignore them so go by feel as a tight as I dare.

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PostPosted: Sun Aug 31, 2014 5:38 pm 
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Joined: Sat Aug 23, 2014 10:36 am
Posts: 132
bm0p700f wrote:
No problems with the bars here but I have been very cautious about torque. Done mostly buy feel but the VAR torque wrench says I have done them to 4NM. I have used carbon paste as well. Hit many holes hard and the bars have not budged or cracked so 4NM may be the limit. I don't think the bars are bad so long as you do not over torque, instructions I find can be misleading and I mostly ignore them so go by feel as a tight as I dare.


After reading the issue in this topic I decided to torque in 4nm and it's ok till know. Since the 2015 model is not gritted in stem contact area I used tacx red carbon paste and I don't have slippage. I am light rider so I don't put much effort in my handlebars though....


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PostPosted: Sun Aug 31, 2014 5:51 pm 
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Joined: Sat Aug 23, 2014 10:36 am
Posts: 132
thp wrote:
Whoa... how can we tell if retailers have the 2015 version? Is there a different SKU to look for?
Any improvements to the stem to reach the advertised weights? Same with Seatpost.


The SKU was DDS42B for 42cm - here are some pics - for stem I prefer using a simple aluminium Deda Zero which is ligh enough (136gr for 110cm) and stealth as I wanted to be

Image

Image

Image

Image


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PostPosted: Sun Aug 31, 2014 6:54 pm 
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Joined: Tue Feb 05, 2013 11:53 pm
Posts: 208
Just received my Deda Superleggero Stem, 130mm: 117.8g

Image


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PostPosted: Mon Sep 01, 2014 12:01 am 
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Joined: Mon Dec 28, 2009 8:30 pm
Posts: 5292
Location: Bay Area
Any used the stem with some Newton classics? Thinking of putting this on a new build.

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