Dura Ace DI2 sprintshifter AND top-bar-shifter

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philischen

Post subject: Dura Ace DI2 sprintshifter AND top-bar-shifter

Posted: Tue Sep 11, 2012 6:57 pm

Joined: Fri Nov 11, 2005 10:47 am
Posts: 395

Saw that combi on some pro bikes:
both sprint shifter AND the shifter on the top of the bar

Anybody did that himself? Or has a plan how to do it?
John Degenkolb told me, that some japanese guys came over, did some soldering, done

Would be great to get some info. Thanks!!!

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irf3

Post subject: Re: Dura Ace DI2 sprintshifter AND top-bar-shifter

Posted: Wed Sep 12, 2012 2:16 am

Joined: Sun Jan 23, 2011 2:25 am
Posts: 214

There might be a way to rig it up so you can have both. I'm pretty sure I read somewhere that it's a built in feature for the new di2 though.

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TurboKoo

Post subject: Re: Dura Ace DI2 sprintshifter AND top-bar-shifter

Posted: Wed Sep 12, 2012 5:29 am

Joined: Wed Oct 29, 2008 7:55 pm
Posts: 100
Location: Finland

this combo is possible with new DA9070

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HammerTime2

Post subject: Re: Dura Ace DI2 sprintshifter AND top-bar-shifter

Posted: Wed Sep 12, 2012 4:22 pm

Joined: Thu May 04, 2006 4:43 pm
Posts: 4548
Location: Wherever there's a mountain beckoning to be climbed

Are the top-bar-shifters for 9070 svelter (smaller, thinner, lighter) than for 7970? Why not use sprint shifters on bar-tops, with one on each side, with one side for rear upshifts and the other side for rear downshifts?

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philischen

Post subject: AW: Dura Ace DI2 sprintshifter AND top-bar-shifter

Posted: Wed Sep 12, 2012 5:22 pm

Joined: Fri Nov 11, 2005 10:47 am
Posts: 395

First of All, 9070 and 7970 are not compatible.
And actually, I don't want to buy a new group.

So on my 7970, I need to do some soldering.

The question is, what exactly I need to do...

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