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Di2 Experts? Can I put internal Di2 on 2013 S-Works Tarmac SL4 ?

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  • April 14, 2015 at 11:28 am #23736
    roadie.ronan

    Im not sure what version of Di2 (ultegra) I can put on a 2013 Tarmac.

    Any experts here know? I just bought the frame second hand and trying to figure it out.

    I would great appreciate it ~X( :/

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Viewing 6 replies - 1 through 6 (of 6 total)
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  • April 16, 2015 at 5:57 pm #841509
    0
    hennahairgel

    They should run internally
    They should run internally just over the top of the BB, and you shove the junction box forward up the down tube. After getting everything in place you can then fit the BB and chainset

    April 16, 2015 at 5:14 pm #841507
    0
    roadie.ronan

    Cool thanhks guys, hampstead
    Cool thanhks guys, hampstead bandit,by any chance do you know how I thread the power leads around the carbon bb? is there an easy way to do this? i cant see any holes in the bb shell to thread through.

    April 14, 2015 at 7:56 pm #841505
    0
    hampstead_bandit

    yup, its no problem. I’ve
    yup, its no problem. I’ve done loads of Di2 custom builds on Tarmacs both SL4 of all flavours and “new” tarmacs.

    April 14, 2015 at 1:13 pm #841503
    0
    hennahairgel

    Also, have a look at the
    Also, have a look at the Shimano docs: http://si.shimano.com/php/download.php?file=pdf/dm/DM-UL0001-02-ENG.pdf

    They’re pretty comprehensive. Also, my experience is with the 10sp Ultegra Di2, not 11sp, but the principles are the same.

    April 14, 2015 at 12:56 pm #841501
    0
    roadie.ronan

    Thanks, I just have no idea
    Thanks, I just have no idea abut Di2 or even how I’m going to feed the wires down.
    I would like to put ths battery in the seatpost so its nice and neat. Thanks for the tip on the DA front box. That makes sense.

    April 14, 2015 at 12:30 pm #841499
    0
    hennahairgel

    Hiya,
    Looking the the
    Hiya,

    Looking the the Specialized archives I think it will work. One version of the Tarmac has Di2: http://www.specialized.com/us/en/bikes/archive/2013/tarmac/tarmacsl4expertui2midcompact (you can supersize the image and see how the wires enter).

    Basically there’s not much difference between the internal/external set bar the junction box at the BB and battery considerations. Have a look for mounting points for the batter around the BB. If none you can mount one on a cage or internally in the seatpost.

    Fitting the Di2 is fairly easy. I did mine đŸ™‚

    Digging a bit more it looks like you either have an ugly external battery or pony up and get the internal battery: http://www.cyclingnews.com/reviews/specialized-s-works-tarmac-sl4-di2-review

    Note, if you have the internal battery it’s worth considering the DA front junction box (the one by the stem) as you can recharge the battery from there without removing the seatpost/battery.

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