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 Post subject: SRAM Red vs. Ultegra DI2
PostPosted: Wed Sep 14, 2011 10:31 am 
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Joined: Wed Feb 25, 2009 8:39 pm
Posts: 201
Hey guys, hope you can help me out with the following:

I’m looking to buy a new groupo for my new frame but I just can’t figure out what is the most interesting. These are my considerations:
-Wheels are all Shimano-fitting, so no Campy
-Because of the frame colour, I want dark components, so SRAM Red Black Edition or the new Ultegra DI2.
-I can get both Red and UDI2 for basically the same money, so that’s no real consideration.
-Have to wait a while for UDI2 to be available though, no real problem but well… new stuff is just awesome so the sooner the better right?
-I basically use my bike for everything, solo rides, group rides and some occasional racing.
-Tried DADI2 and really liked it, also like the Red group but maintenance wise the DI2 groups seem a little bit easier.
-Red is quite a bit lighter than UDI2 (but living in the Netherlands... so how important that really is...).

I know you can’t really go wrong with either one but since I’m not really an impulsive buyer, I want some kind of reasoning why I should go with the one instead of the other. So far I haven’t been able to reason myself into making a choice so hopefully you guys have some interesting opinions.

Thanks in advance!


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PostPosted: Wed Sep 14, 2011 11:15 am 
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Joined: Sat Sep 04, 2010 10:02 pm
Posts: 100
Location: Germany
The frame should be Di2 ready - just think about it. Otherwise you spent a lot of work on the frame.

+1 Sram

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PostPosted: Wed Sep 14, 2011 11:25 am 
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Joined: Mon May 23, 2011 4:37 pm
Posts: 158
+1 Ui2.


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PostPosted: Wed Sep 14, 2011 11:31 am 
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Joined: Fri Oct 17, 2008 9:37 am
Posts: 345
SRAM red = made in Taiwan / China

If idiots like me can accept a damn Dogma that's 400grms heavier that advertised for, I would take Ui2, get a lighter frame + wheel.


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PostPosted: Wed Sep 14, 2011 12:46 pm 
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Joined: Wed Feb 25, 2009 8:39 pm
Posts: 201
ciclistarapdio wrote:
The frame should be Di2 ready - just think about it. Otherwise you spent a lot of work on the frame.

+1 Sram

Forgot to mention it, but it isn't an issue :) Thanks for pointing this out.

Quite fair enough Maxima. I was also thinking, if the UDI2 weight is really starting to annoy me for some reason I could always change the crank because that's not the lightest to start with anyway.


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PostPosted: Wed Sep 14, 2011 1:08 pm 
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Joined: Mon Jul 18, 2011 3:33 pm
Posts: 93
Location: Portsmouth UK
i had the same dilema recently (not really a dilema..but hey)

Black/Red groups look awesome, function just fine and can be had at bargain prices here in the UK at the moment.

Di2 has that extra WOOO factor, (apparently) less maintennance, if fitted correctly can look really cool..and sounds like R2D2, Extra cool :P BUT..extra weight and more expensive replacement costs in the event of crashes.

I ended up getting DA Di2 from a friend who sourced it all in Taiwan for less than the cost of Ultegra Di2..that is probably the only reason I decided to go that route..otherwise I would have got the RED group :)

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PostPosted: Wed Sep 14, 2011 1:48 pm 
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Joined: Wed Sep 26, 2007 1:57 pm
Posts: 7897
Location: San Francisco, CA
If you want to program your bike to think-shift, go with the Ui2.

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PostPosted: Wed Sep 14, 2011 2:05 pm 
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Joined: Fri Oct 17, 2008 9:37 am
Posts: 345
BTW, this is what Shimano do for a living. I've been using their Electrics Deep Sea Fishing Reels for coming to 2 decades. The Di2 & Ui2 technology is very much taken from their Electric Deep Sea Fishing Reel Products.

I wouldn't buy a SRAM or Campy Electric group when it's available as they have absolutely no experience in such technology.

Take a look - super interesting for folks who never see a deep sea monster fishing reel:

http://tv.shimano.co.jp/movie/promotion ... on2010_bm/
http://tv.shimano.co.jp/movie/promotion ... 011_ar_bm/
http://fishing.shimano.co.jp/search?pcat1=1&pcat2=11
http://tv.shimano.co.jp/movie/promotion ... 2009_ocea/


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PostPosted: Wed Sep 14, 2011 2:41 pm 
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Joined: Mon Oct 25, 2010 6:51 pm
Posts: 124
I'm not a big fan of di2 for racing. For one shifting through multiple gears is by far the slowest system I've tried. Unlike a mechanical system you cannot just throw the rear mech, because of how it works the derailleur has to complete almost a full shift through each gear before moving to the next. If you do primarily road racing, probably not a huge problem, but if you do tight technical crits that require you to grab a bunch of gears going in and out of corners then it can be really aggravating. I've also found it too easy to accidentally shift, or push the wrong button in certain situations. It's also heavy without offering any performance advantage, and your most fragile components in the event of a crash are the most expensive. If you're not that into a lot of racing though, it's low maintenance, easy to operate and has a certain cool factor Red can't match. For a recreational rider I think it's a great choice, and now for a reasonable price and with improved wiring.


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PostPosted: Wed Sep 14, 2011 3:25 pm 
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Joined: Mon Jan 24, 2011 8:09 pm
Posts: 911
maxima wrote:
SRAM red = made in Taiwan / China

If idiots like me can accept a damn Dogma that's 400grms heavier that advertised for, I would take Ui2, get a lighter frame + wheel.



China. Even Shimano has some stuff made there.

Nothing wrong with Taiwan, they build the best carbon components on the planet today.


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PostPosted: Wed Sep 14, 2011 4:11 pm 
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Joined: Sat Sep 10, 2011 3:35 pm
Posts: 56
Location: Denmark
+1 for SRAM.

Lightest group and still really good shifting.

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PostPosted: Wed Sep 14, 2011 4:21 pm 
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Joined: Tue Aug 16, 2011 7:57 pm
Posts: 25
maxima wrote:
I wouldn't buy a SRAM or Campy Electric group when it's available as they have absolutely no experience in such technology.


Seriously?

It's very simple stepper motor technology.

It's been around for a long long time.

Bicycle gear shifting is not rocket science.


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PostPosted: Wed Sep 14, 2011 4:24 pm 
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Joined: Mon Jun 06, 2011 7:16 pm
Posts: 565
Location: Irvine, CA
I just installed Di2 on my Colnago C50 and love it. However, I do not like the appearance of Di2 on a traditional non-Di2 frame. Too many loose cables. It bothers me so much I have started to look for a new Di2 frame. I have a bike with Campy SR11, DA 7800 and Campy R10. I prefer to the Di2 to all of them.


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PostPosted: Wed Sep 14, 2011 5:03 pm 
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Joined: Sat Dec 13, 2008 4:31 am
Posts: 352
Location: LOS ANGELES
Di2 is for POSEURS.....

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PostPosted: Wed Sep 14, 2011 6:09 pm 
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Joined: Mon Jan 24, 2005 9:41 pm
Posts: 760
Location: Uppsala, Sweden
have used DA di2 in one season now. my personal impression is that, sure, it´s really really good, BUT there is some thing that have irritated me. one is the dcl10 mention, that the rear mech isn´t that fast. to me, it sometimes almost shift to smoothly, going downhill, shifting down to a "heavier" gear, i can almost not feel it, but that is probably a personal thing, that some many like, and some people does not. i also sometimes miss the tactile feedback in the shifters.
the big gain, as i see it, is the possibility to have shifting buttons on many places on the handlebar. Another gain is in the front mech. that can shift under full power on the pedals and also adjust the mech after what gear you have in the back.

so for me, di2 tech isn´t that obvious choice


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