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Di2/11sp upgrade advice
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Di2/11sp upgrade advice
Postby dominicj » Sun Sep 01, 2013 7:54 pm
I tore an abdominal muscle while snowboarding about a month ago so I'm off cycling for 6 weeks or so and figured it was the best time to build, replace, upgrade, etc my weekend ride. I've just recently got my hands on an Avanti Corsa DR frameset which I am in the process of building up. I had finished the build with 6700 shifting and 9000 chainset and brakeset but then I had a good offer to sell a full 6700 groupset so I pulled the FD and cassette off the bike. So I now have some brand new shifters and an older RD on it and I'm trying to decide what to do. I've decided that my ultimate goal is to get to an electronic 11 speed setup and I've identified four options to get there. I've been trying to get my head around which will work best and I figured I'd put it out to the forum and see if there is an obvious issue or benefit to any of them that I'm missing. To make it even more complicated, I want dual shifting options with standard and TT shifters.
Option 1: 6800 now and then upgrade shifting to 6870 when it drops in Jan(ish). This would involve buying a full 6800 gruppo and selling off the crank and brakes now and then replacing shifters, RD and FD in Jan along with all new wiring. I'd also have to upgrade wheels now as my Bracciano's are the old version and won't support 11sp. This gives me 11sp in the short term and electronic 11sp in six months.
Option 2: 6770 now and then upgrade RD to 6870 in Jan. This would involve buying a full 6770 gruppo and selling off the brakeset. Then in Jan I'd buy the new 6870 RD and a new cassette and upgrade wheels. This gives me electronic now and 11sp in Jan.
Option 3: Assuming that you can convert 6770 to 11sp by installing a 9070 RD (see post above) then I could just go all out and buy 6770 gruppo and upgrade RD to 9070 along with wheels now. This gives me both now.
Option 4: Complete the build in 6700 and just wait the 6 months until 6870 is released. This gives me neither now.
Basically I figure that minimising equipment that is purchased now and then sold off after 6 months use seems the most sensible which would point to 3 but that option is the most expensive which kind of evens it out. Option 2 looks promising but then I'd end up with 6770 instead of 6870, although only for the shifters, FD and wiring. Option 4 seems good, especially given that it looks like I'd be able to order the wiring the way I need it to run TT shifters, rather than having to replace the default 6770 wiring harness; but I'm impatient and want to do something now!
On a slightly unrelated note, starbike.com appears to be taking pre-order on 6870 already (http://www.starbike.com/en/shimano-ulte ... e-routing/). Does this mean that the release on this will be sooner than expected or are they just REALLY keen?
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Re: Di2/11sp upgrade advice
Postby Duck! » Sun Sep 01, 2013 11:13 pm
Onto the TT shifters; there are a couple of options: The SW-9071 switches only operate the rear derailleur, in the same way the sprint shifters do - one side shifts one way, the other shifts the other way. SW-R671 provide full front and rear shifting.
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Re: Di2/11sp upgrade advice
Postby Arlberg » Mon Sep 02, 2013 7:49 pm
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Re: Di2/11sp upgrade advice
Postby Duck! » Mon Sep 02, 2013 8:12 pm
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Re: Di2/11sp upgrade advice
Postby Arlberg » Mon Sep 02, 2013 8:30 pm
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Re: Di2/11sp upgrade advice
Postby HAKS » Mon Sep 02, 2013 10:41 pm
Arlberg wrote:Thanks! I want to put my 6700 left hand crankarm with Stages Powermeter on the new 6800 crank and not notice it doesn't match.
The only thing one would notice (by paying very close attention to it) is the different shaping on the new vs old crankset.
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Re: Di2/11sp upgrade advice
Postby jacks1071 » Mon Sep 02, 2013 11:38 pm
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Re: Di2/11sp upgrade advice
Postby dominicj » Tue Sep 03, 2013 9:55 am
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Re: Di2/11sp upgrade advice
Postby jasonc » Tue Sep 03, 2013 12:14 pm
dominicj wrote:Yup, by upgrade I mean either replace with new Bracc's and move my old ones to the commuter, or replace the freehub. Kind of sucks spending $80 upgrading a $400 wheelset though...
for 480 you could have 2 compatible wheelsets (Deon will like that one)

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Re: Di2/11sp upgrade advice
Postby jacks1071 » Tue Sep 03, 2013 12:48 pm
jasonc wrote:dominicj wrote:Yup, by upgrade I mean either replace with new Bracc's and move my old ones to the commuter, or replace the freehub. Kind of sucks spending $80 upgrading a $400 wheelset though...
for 480 you could have 2 compatible wheelsets (Deon will like that one)
I like the way you think

You could also take the freehub to a machine shop and have 1.8mm turned off the inner lip but I think you'd be unlikely to get that done for less than the cost of a freehub unless you know someone with the gear.
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Re: Di2/11sp upgrade advice
Postby jasonc » Tue Sep 03, 2013 1:00 pm
jacks1071 wrote:You could also take the freehub to a machine shop and have 1.8mm turned off the inner lip but I think you'd be unlikely to get that done for less than the cost of a freehub unless you know someone with the gear.
or:
viewtopic.php?f=34&t=64510

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Re: Di2/11sp upgrade advice
Postby rjk » Wed Sep 04, 2013 3:44 pm
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Re: Di2/11sp upgrade advice
Postby dominicj » Thu Sep 05, 2013 11:54 am
rjk wrote:i was just on starbike and they are advertising the 6870 full groupset both long and short cage derailluers 1320 euros
They are but only pre-order. This was their response to my enquiry as to when it would actually be available to ship:
Hello Mr. Jonston,
we currently can't clearly say... sorry! We guess within the next 1-2 months. Preorders will be delivered prioritized.
---
Best regards,
Chris
www.starbike.com
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Re: Di2/11sp upgrade advice
Postby ACT SC600 » Thu Sep 05, 2013 10:16 pm
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Re: Di2/11sp upgrade advice
Postby Duck! » Thu Sep 05, 2013 10:30 pm

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Re: Di2/11sp upgrade advice
Postby Xplora » Fri Sep 06, 2013 1:39 pm
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Re: Di2/11sp upgrade advice
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