Discuss light weight issues concerning road bikes & parts.
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Johhny Bravo
- Posts: 76
- Joined: Mon Oct 20, 2008 5:06 am
- Location: Minas Gerais, Brazil
by Johhny Bravo on Sat Oct 13, 2012 6:23 pm
Hi guys, I'd like to present you my internal DIY Di2 setup
internal battery from ebay

head tube drilling

inner chainstays drilling

dropout drilling

bottom bracket drilling

Bike ready! (6.340kg)

Ride safe!
Eduardo
2011 Look 695 SR
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erikw1968
- Posts: 9
- Joined: Mon Jul 04, 2011 6:43 am
- Location: brunssum
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Contact:
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micky
- Posts: 4665
- Joined: Thu Sep 21, 2006 8:57 pm
- Location: Vicenza
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Contact:
by micky on Wed Jan 09, 2013 9:41 pm
Nice work but as I was very interested in this sort of project myself, it stopped me when I was reading in another WW topic that Scott would be against drilling cause the carbon tubes are too thin.

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Johhny Bravo
- Posts: 76
- Joined: Mon Oct 20, 2008 5:06 am
- Location: Minas Gerais, Brazil
by Johhny Bravo on Wed Jan 09, 2013 11:09 pm
4crosswheels wrote:Hi there,
What battery are you using? what did you use to physically do the drilling?
thanks
Bruce
did it with a dremel and the battery is from ebay seller "eapathome", who is a member in this forum
Ride safe!
Eduardo
2011 Look 695 SR
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Johhny Bravo
- Posts: 76
- Joined: Mon Oct 20, 2008 5:06 am
- Location: Minas Gerais, Brazil
by Johhny Bravo on Wed Jan 09, 2013 11:12 pm
micky wrote:Nice work but as I was very interested in this sort of project myself, it stopped me when I was reading in another WW topic that Scott would be against drilling cause the carbon tubes are too thin.

that's BS
my previous frame was a FACTORY DRILLED 2009 scott addict R1 - the tubes are exactly the same and the holes are also on the same locations.
Ride safe!
Eduardo
2011 Look 695 SR
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jamesstout
- Posts: 3
- Joined: Mon Nov 26, 2012 2:43 am
by jamesstout on Fri Jan 11, 2013 4:35 am
Johhny Bravo wrote:4crosswheels wrote:Hi there,
What battery are you using? what did you use to physically do the drilling?
thanks
Bruce
did it with a dremel and the battery is from ebay seller "eapathome", who is a member in this forum
a video of the process would have been cool. How inconvenient is charging?
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Johhny Bravo
- Posts: 76
- Joined: Mon Oct 20, 2008 5:06 am
- Location: Minas Gerais, Brazil
by Johhny Bravo on Fri Jan 11, 2013 12:59 pm
it´s CONvenient: the charger that comes with the internal battery charges thru the front wiring harness. You don't need to connect it to battery for charging. Just unplug the head unit cable and plug the charger to the wire.
Ride safe!
Eduardo
2011 Look 695 SR
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Svetty
- Posts: 476
- Joined: Thu Mar 26, 2009 11:06 pm
- Location: Yorkshire - God's Own Country
by Svetty on Fri Jan 11, 2013 1:39 pm
Johhny Bravo wrote:micky wrote:Nice work but as I was very interested in this sort of project myself, it stopped me when I was reading in another WW topic that Scott would be against drilling cause the carbon tubes are too thin.

that's BS
my previous frame was a FACTORY DRILLED 2009 scott addict R1 - the tubes are exactly the same and the holes are also on the same locations.
But do they still sell them like that or have they stopped having learned from experience

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1spd
- Posts: 175
- Joined: Fri Jun 15, 2012 2:27 pm
- Location: Gaithersburg, Maryland
by 1spd on Fri Jan 11, 2013 2:52 pm
I don't have Di2 at all but am just curious if the battery just drops all they way down to the bottom, hangs there, weges some how, stops at the bottle cage bolt area??? Just curious. Looks good though. Nothing like drilling a perfectly nice frame! Well done!
Cannondale Synapse (alu)...it works
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Johhny Bravo
- Posts: 76
- Joined: Mon Oct 20, 2008 5:06 am
- Location: Minas Gerais, Brazil
by Johhny Bravo on Fri Jan 11, 2013 10:10 pm
Svetty wrote:Johhny Bravo wrote:micky wrote:Nice work but as I was very interested in this sort of project myself, it stopped me when I was reading in another WW topic that Scott would be against drilling cause the carbon tubes are too thin.

that's BS
my previous frame was a FACTORY DRILLED 2009 scott addict R1 - the tubes are exactly the same and the holes are also on the same locations.
But do they still sell them like that or have they stopped having learned from experience

of course they still sell them like that - but now it's the FO1L version (addict R1 are no longer made)
Ride safe!
Eduardo
2011 Look 695 SR
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Johhny Bravo
- Posts: 76
- Joined: Mon Oct 20, 2008 5:06 am
- Location: Minas Gerais, Brazil
by Johhny Bravo on Fri Jan 11, 2013 10:12 pm
1spd wrote:I don't have Di2 at all but am just curious if the battery just drops all they way down to the bottom, hangs there, weges some how, stops at the bottle cage bolt area??? Just curious. Looks good though. Nothing like drilling a perfectly nice frame! Well done!
i wrapped the battery with rubber (old inner tube) so it fits tight against the inside of the seatpost - this way it doesn't slip up/down.
Ride safe!
Eduardo
2011 Look 695 SR
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tetonrider
- Posts: 92
- Joined: Wed Oct 06, 2010 3:38 am
by tetonrider on Sat Jan 12, 2013 5:33 am
excellent work!
what do you do to ensure the wires do not rub on the crank spindle? gravity will want to pull them down a bit. that bend from the downtube wire as it curves up the seat tube is an issue (minor one!) i've had on a similar project i did.
was it difficult to get a dremel inside the bottom bracket? i'd imagine the angles are tight.
thanks for sharing!
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