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PostPosted: Tue Jun 03, 2014 10:52 pm 
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Joined: Thu Jul 19, 2012 6:09 pm
Posts: 112
Location: Loveland, CO
How's the lifespan of the aluminum 28 cog on the xdome cassette? And is the cog replaceable?


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PostPosted: Fri Jun 06, 2014 4:36 am 
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Joined: Sun May 25, 2014 4:57 am
Posts: 28
Image

Set it up right and you can squeeze an 11-32 into a 9000 rear mech (SL4 Tarmac) :) negates the need for a long cage setup for silly climbing.

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Posted: Fri Jun 06, 2014 4:36 am 
  • 14.90 € (including 19% VAT)
  • 59 components


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PostPosted: Mon Jun 09, 2014 8:24 pm 
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Joined: Mon Jun 09, 2014 8:03 pm
Posts: 4
6870 without a doubt. For the same money you will shift better and you will go faster.

I just completed a thorough comparative analysis of the top 2 tiers of mechanical and electronic groupsets available from Shimano, Campagnolo and SRAM for my blog. The Ultegra 6870 was the best performer and its actually less expensive than the DA.


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PostPosted: Thu Jul 31, 2014 7:04 am 
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Joined: Mon Jun 02, 2014 4:34 am
Posts: 23
No need to quote above

Totally agreed! And the reason I didn't go for DA Di2 is because it is too expensive. And another reason is we will crash when cycling and looking the expensive component breaking is not really a good thing though. :D


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PostPosted: Thu Jul 31, 2014 10:47 am 
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Joined: Sat Dec 07, 2013 10:15 pm
Posts: 120
One of my bikes has the original 6500 group set with eleven plus years of riding. My 6800 has about four thousand miles and so far has performed flawlessly. EPS is still new, but I find it hard to accept that an EPS group will last as long as the mechanical version, plus there's no worry about monitoring battery reserve or worrying about the unit losing charge.

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PostPosted: Thu Jul 31, 2014 4:43 pm 
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Joined: Fri Nov 18, 2011 5:19 am
Posts: 779
I have been thinking about replacing my SRAM YAW group so I went and test rode groups the other day. 9000 didn't impress me as much as I wanted it to. I wouldn't call it enough of a change/improvement over the SRAM to warrant the change.

6870 was copious amounts of fun. I couldn't get the front shifting to fault. Really excellent.

I went home and ordered a Super Record group though :)


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PostPosted: Thu Jul 31, 2014 11:17 pm 
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Joined: Thu Mar 08, 2012 3:20 pm
Posts: 101
The 4 position trim of the new 6800/9000 groups is just too much for me. Especially when racing.

6870 is my vote. I have over 20 000 km on mine and haven't made an adjustment. Though have swapped chains a couple times, one new cassette, and a couple full cleanings. Not having to replace internally-run cables like I did on my old bike whenever I had a couple wet rides and the housing clogged up has been so nice. I don't get the 'I like the feel of mechanical' sentiment, unless all you do is work on the bike in the stand and don't actually ride.


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PostPosted: Fri Aug 01, 2014 12:36 am 
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Joined: Mon Feb 06, 2006 1:06 am
Posts: 197
Consider your budget for the whole bike. 6800 + nice wheels is better than 6870/9000 + crappy wheels


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