Is it possible to put the EPS battery in a seatpost?

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williamsf1
Posts: 251
Joined: Sun Jun 27, 2010 8:53 am

by williamsf1

having done about 5 bikes with Di2 I have been asked to do an EPS system into a cervelo S5

anyone taken the plunge and done this internal mod with an after market or factory battery cut down???

HELP

by Weenie


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maxxevv
Posts: 2012
Joined: Wed Feb 09, 2005 4:51 am

by maxxevv

Somebody on these forums posted a while back about doing a hack for it. But haven't heard anything more since though.

Which reminds me .... how did that guy do anyone ??

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rmerka
Posts: 618
Joined: Wed Mar 06, 2013 4:23 pm
Location: Austin, TX

by rmerka

I saw a picture where Calfee hacked an EPS unit and put it in a handlebar/stem combo. It was uglier than the wart on the downtube.

dereksmalls
Posts: 2305
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Location: New Zealand

by dereksmalls

I think it's meant to be trickier as the brains are also in the battery pack. Someone correct me if I'm wrong please. I'm sure there is a reason why it hasn't been done so far

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dgasmd
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by dgasmd

dereksmalls wrote:I think it's meant to be trickier as the brains are also in the battery pack. Someone correct me if I'm wrong please. I'm sure there is a reason why it hasn't been done so far


Correct!

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HammerTime2
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by HammerTime2

rmerka wrote:I saw a picture where Calfee hacked an EPS unit and put it in a handlebar/stem combo. It was uglier than the wart on the downtube.

Image

It looks like it's nuclear-powered.

Calfee should work with Gruber and develop the GNA - Gruber Nuclear Assist. I think that would be just the ticket for Cancellara this year, as he needs a little something extra.

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rmerka
Posts: 618
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Location: Austin, TX

by rmerka

Yeah the wart on the frame is definitely better, Yuck :frightened:

cymans
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Joined: Sat May 28, 2011 10:17 pm

by cymans

it's next on my hit list !!

doomith
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Joined: Fri Nov 09, 2012 4:57 am

by doomith

To be honest it kinda looks alright!

highwater
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Joined: Thu May 24, 2012 1:01 am

by highwater

It would look alright if there was a touch screen GPS computer built into it...

Bridgeman
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by Bridgeman

Has anyone tried mounting it under the bottom bracket?

Seems to me one could possibly take advantage of the cable guide screws for attachment.

Also, it would be at the lowest center of gravity.

I'm building up a new bike and looking into this method as an alternative.

Even where it is currently mounted, just under the bottle cage, never really bothered me though.


dereksmalls
Posts: 2305
Joined: Tue Aug 02, 2011 9:20 pm
Location: New Zealand

by dereksmalls

Bridgeman wrote:Has anyone tried mounting it under the bottom bracket?


All depends on where the frame manufacturer has point the mounting holes.

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Kjetil
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by Kjetil

Colnago puts it under the down tube right in front of the BB on the C59. Trek has a messy world record on the new Madone.

I have read that Campagnolo has a seat post mounting standard coming. I just wonder where the charge and diagnostics ports will go. Maybe they'll put it all inside a Campagnolo post. That could be elegant.
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by Weenie


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jo.k
Posts: 196
Joined: Fri Jan 09, 2009 11:39 pm
Location: Norway

by jo.k

highwater wrote:It would look alright if there was a touch screen GPS computer built into it...


Like this?

Image

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