Di2 battery on tri-bars

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Deev
Posts: 71
Joined: Thu Jul 11, 2013 7:54 pm

by Deev

I'm considering fitting Di2 to my P3. I don't like the downtube battery mount so wondered if I could hang the battery between the tri-bars, swapping the A- and B-junctions over (I could position the junction A on the chainstay) to save on those expensive wires.
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With a proper tube clamp and not the 'Heath Robinson' arrangement here, I reckon it'll work. My question is, why have I never seen anyone else do this? What am I missing? To me, there is little aero drag induced by this as the flow will already be turbulent by the time its gone over my hands and G500!

Dave

thisisatest
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Posts: 1980
Joined: Sat Jun 13, 2009 4:02 am
Location: NoVA/DC

by thisisatest

The main difference in swapping junctions is where in the chain the battery is. I don't know what the ramifications are of having the battery before the front junction. If I was going to do something semi-custom on a p3, I'd put the battery behind the seatpost clamp, right above the rear brake. Could improve aero there.

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by Weenie


Deev
Posts: 71
Joined: Thu Jul 11, 2013 7:54 pm

by Deev

True, but how do you run a wire to it? Would you have to run it on the outside or drill?

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