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PostPosted: Sun Mar 24, 2013 8:55 pm 
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Joined: Fri Nov 02, 2007 9:17 pm
Posts: 43
Hey Guy's,

I'm just about to build up a new to me SL4 Tarmac with 7970 Di2.

I went to the LBS and saw the new under BB battery mount on the Roubaix's. It looks like it's a simple job of removing the existing cable guide and screwing in the mount. Does anyone know the part # and cost to buy it from Specialized?

I know I can go with internal battery kit for $160, but want to keep the funds down and don't want to invest too much into what is becoming a obsolete group. Furthermore, the Specialized mount will work perfectly with my existing internal wire set-up (switching from a 2010 Madone 6.9).

Thanks,

Bill


Last edited by billyd0012 on Mon Mar 25, 2013 3:34 am, edited 1 time in total.

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Posted: Sun Mar 24, 2013 8:55 pm 


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PostPosted: Mon Mar 25, 2013 1:13 am 
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Joined: Tue Dec 15, 2009 3:09 pm
Posts: 142
I have the madone under BB mount laying around. Let me find it. We can work out a deal. It uses a flatter bolt head to allow the battery to slide off and on. PM me and I can send photos


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PostPosted: Mon Mar 25, 2013 5:29 pm 
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mlchang wrote:
I have the madone under BB mount laying around. Let me find it. We can work out a deal. It uses a flatter bolt head to allow the battery to slide off and on. PM me and I can send photos


Thanks for the response, but I already have the Madone under BB mount. Looking to pick-up a Specialized under mount for the Tarmac SL4 that I'm building.

Cheers, Bill


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PostPosted: Mon Mar 25, 2013 10:16 pm 
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Joined: Sun Mar 27, 2011 8:16 pm
Posts: 421
If you are using 7970 then put the battery in the seatpost or seat tube- this may not be pretty, but it's good for 1,500 km:

Image

Total cost is ~£10


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PostPosted: Tue Mar 26, 2013 5:59 am 
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So if you are stripping the Madone, won't the Madone mount probably bolt to the Tarmac? Unless you are planning on selling the Madone... But if you are hanging on to it, just use that mount for now. If you upgrade to 9070 and E-tube wiring with internal battery in the future you can put the mount back on the Madone


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PostPosted: Tue Mar 26, 2013 6:09 am 
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Joined: Fri Nov 02, 2007 9:17 pm
Posts: 43
Thanks for the suggestion. I might go that route. If you've seen the Specialized though, you will see that it's a nicely made mount to fit perfectly under the BB.


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PostPosted: Wed Mar 27, 2013 8:52 am 
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I do understand the appeal of those perfectly made parts. Good luck with this project!


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PostPosted: Mon Apr 01, 2013 10:53 pm 
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Joined: Fri Nov 02, 2007 9:17 pm
Posts: 43
FYI, just got the part from the LBS today.

Part#S139900038 - Msc my13 SL4 BB Electronic Mount Kit for Di2.

It replaces the shift wire guide and cleanly mounts the Di2 battery under the BB.


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PostPosted: Sat Apr 13, 2013 11:57 pm 
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Joined: Sat Apr 13, 2013 11:55 pm
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billyd0012 wrote:
FYI, just got the part from the LBS today.

Part#S139900038 - Msc my13 SL4 BB Electronic Mount Kit for Di2.

It replaces the shift wire guide and cleanly mounts the Di2 battery under the BB.



Would you please post a pic of it? I asked my LBS to order one of these, should be here next week.


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PostPosted: Sun Apr 14, 2013 3:47 am 
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Joined: Tue Feb 02, 2010 4:22 pm
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Location: Brooklyn
That is pretty cool the solution including the zip tie on the SL4 is a joke. You have to post pictures and show up the install.


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Posted: Sun Apr 14, 2013 3:47 am 


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