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PostPosted: Fri Jul 06, 2012 11:59 am 
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Joined: Sat Jul 29, 2006 2:36 am
Posts: 1048
Location: UK
Have you got the correct frame?

This article has the specs for Di2 holes -

http://velonews.competitor.com/2012/07/bikes-and-tech/technical-faq/technical-faq-installing-electronic-shifting-on-a-bike-without-internal-cable-routing_227222

It appears that Ui2 cables should have no problem fitting a Di2 frame due to the smaller connectors.

WasFab wrote:
how is the drilling, is it dangerous for the frame?

You may invalidate your frame warranty. Get an authorized dealer to do it if it needs drilling.


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PostPosted: Fri Jul 06, 2012 12:33 pm 
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Joined: Sun Mar 11, 2012 1:40 am
Posts: 240
it came to me that the frame I have is internal routing but not for the electric system. It is strange how Rose makes the same carbon frame model but 2 types, different, for mechanical and electrical system. unfortunately I got the one that was coming with sram force. I anyhow don't have warranty, even though the frame is less than 1 month old because I bought it off the original buyer not directly from Rose.


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Posted: Fri Jul 06, 2012 12:33 pm 


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PostPosted: Fri Jul 06, 2012 2:35 pm 
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Joined: Thu Feb 10, 2011 8:58 pm
Posts: 155
I think it's clear you have a non Di2 frame. Maybe the confusion came with the internal brake cabling. Options you may want to consider. Sell the Di2 and get a standard group like Red or DA. Send it to Calfee to get it Di2ized. I'm not sure I would want to run the risk of drilling a frame myself and not adding support around holes and creating cracks. Some frames that aren't internal Di2 compatible have a solid BB shell and wires can't be routed through and there's no way to place a junction box internally.


If you like the Di2. Spend some time and clean up the wiring. I think you can make it look much better.


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PostPosted: Fri Jul 06, 2012 2:43 pm 
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Joined: Sun Mar 11, 2012 1:40 am
Posts: 240
quote:
WasFab wrote:
If you like the Di2. Spend some time and clean up the wiring. I think you can make it look much better.


Do you mean to use this?
Shimano EWC2 Di2 Cable Cover Sheath



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PostPosted: Fri Jul 06, 2012 7:51 pm 
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Joined: Thu Feb 10, 2011 8:58 pm
Posts: 155
Ya that's the stuff. I had my Di2 on my 2006 Time and you could hardly tell. The black adhesive strips will blend in with your frame. The short strips are great for under BB area and around the Front DR.

Make sure to use a electronic connections cleaner. It comes in a spray can. Spray it on a lint free cloth and wipe down the frame where the adhesive strips are going to be placed. It makes the adhesive stick very well.


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PostPosted: Sat Jul 07, 2012 2:29 pm 
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Joined: Wed Dec 14, 2011 8:20 pm
Posts: 175
It is very easy to convert this frame to have mostly internal wiring.
As this frame is already made for mechanical internal wiring (internal cable housing measures ~4,88mm in diameter) you only need to drill out two openings to 5,5mm. This won't do any harm to the frame, because you have to enlarge the hole radius by only 0,3mm. From the pictures you posted, there is enough material in the entry points so removing 0,3mm wont do any damage.
You have to run the FD and battery wire through the bottom bracket hole as it seems to be currently done, but i would run the wires between the chain stays. You probably have a chain catcher (mount) on that frame, so you can zip tie it there so they wont get hit/stuck by the chainrings. It will look very clean and is barely noticeable.
Next year there will probably be a internal battery available from Shimano, so there will be one wire less.

All you need is a shimano TL-EW01 Di2 Wiring Plug tool, a 5mm allen key, a 5,5mm drill bit and a drill to carry out it yourself.
PS! You can't use a mechanical groupset after you have drilled out the holes.

_________________
Scott Foil Di2 2012
Scott Scale 35 2010


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PostPosted: Sat Jul 07, 2012 11:45 pm 
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Joined: Sun Mar 11, 2012 1:40 am
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So you mean to drill 2 holes only can you exactly advice within which holes exist on which tube?

Also how do you know there is enough room to put all the wires and the internal junction box inside the area of the BB shel. If this is not a frame that is compatible DI2 it might be that there is no room..?

Also with your explanation do you mean that the RD cable will be able to run within the housing exit in the frame on the right chainstay (and therefore also is needed to be drilled) or it will have to run outside with some kind of covering kit?


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PostPosted: Sun Jul 08, 2012 9:09 am 
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Joined: Wed Dec 14, 2011 8:20 pm
Posts: 175
Quote:
So you mean to drill 2 holes only can you exactly advice within which holes exist on which tube?


To make it internal as much as it is easily possible, you have to put the
* wire running running from the junction box to the shifters
* RD wire
* junction box
inside the frame.
This means you have to drill out the cable entry hole that is behind the headtube (either side of the frame) and the hole in the chain stay.

This is not rocket science. The main thing is to use common sense. Get a pair of vernier calipers and measure the current hole, unplug and measure a Di2 wire and then look if there is enough room the drill the holes out. Remember, you are measuring diameter, but you only drill the half (radius) out of the hole.

Quote:
Also how do you know there is enough room to put all the wires and the internal junction box inside the area of the BB shel. If this is not a frame that is compatible DI2 it might be that there is no room..?

This frame probably has a hole on the bottom of the bottom bracket and the hole should have a cover. I don't know how the cover is held in place currently (usually shifter cables hold it in place), but remove it and the junction box probably fits between the frame and BB to the main tube. Thats where i put it without any zip ties and it doesnt make any sound there.

Quote:
Also with your explanation do you mean that the RD cable will be able to run within the housing exit in the frame on the right chainstay (and therefore also is needed to be drilled) or it will have to run outside with some kind of covering kit?

Internal, yes. Otherwise it is hideous. I dislike all the "di2 compatible" frames that actually have the RD wire running outside.

I had a non Di2 compatible frame myself and had to drill out the RD hole.

Actually, a second way came to my mind when writing this.
As the plugs dont fit through the holes, you could also cut one end of the plug off, insert the wire to the frame and later solder the plug back. These are very small wires, so you need somebody with good soldering skills. I personally dislike it, because the shimano wires are nicely built, but the current first gen DA Di2 requires waterproofing as well, so why not go that route.

_________________
Scott Foil Di2 2012
Scott Scale 35 2010


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PostPosted: Sun Jul 08, 2012 10:57 am 
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Joined: Sun Mar 11, 2012 1:40 am
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Quote:
Also how do you know there is enough room to put all the wires and the internal junction box inside the area of the BB shel. If this is not a frame that is compatible DI2 it might be that there is no room..?

This frame probably has a hole on the bottom of the bottom bracket and the hole should have a cover. I don't know how the cover is held in place currently (usually shifter cables hold it in place), but remove it and the junction box probably fits between the frame and BB to the main tube. Thats where i put it without any zip ties and it doesnt make any sound there.

Here is the picture under my BB that's how it looks now with he internal junction box that suppose to get inside but based on this picture which hole covered you a referring too in your reply above?


Actually, a second way came to my mind when writing this.
As the plugs dont fit through the holes, you could also cut one end of the plug off, insert the wire to the frame and later solder the plug back. These are very small wires, so you need somebody with good soldering skills. I personally dislike it, because the shimano wires are nicely built, but the current first gen DA Di2 requires waterproofing as well, so why not go that route.[/quote]

But if I get what you say to cut one edge of the wire won't ruin the water proof ability?

Thanks David


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PostPosted: Sun Jul 08, 2012 11:04 am 
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Joined: Mon Jan 24, 2005 9:41 pm
Posts: 700
Location: Uppsala, Sweden
but if you take the bottom bracket out, you should be able to se if you can reach the tubes from there, often there are holes from the bottom bracket shell in to al the tubes and you can get the box in that way.


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PostPosted: Sun Jul 08, 2012 8:42 pm 
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Joined: Sun Mar 11, 2012 1:40 am
Posts: 240
According to this picture, the bottom of my BB area, where I mount the external B junction. They say on the cable guide thread but there is no screw hole there, how it fixed on? Anyone..?
Image


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PostPosted: Mon Jul 09, 2012 4:31 am 
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Joined: Thu Sep 30, 2010 5:50 am
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Is it just me or do you have the left brake going to the rear and the right going to the front?? :noidea:


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PostPosted: Mon Jul 09, 2012 5:16 am 
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It's long story but it's not brake it's di2


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PostPosted: Mon Jul 09, 2012 7:02 am 
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Joined: Wed Dec 14, 2011 8:20 pm
Posts: 175
Seems that your frame doesn't have a hole, there are just those "ribs" to guide the mechanical shifting cables. So you must remove to bottom bracket cup from one side to put the junction box inside the frame.
You still need to get the battery and FD wires from to the junction box to the components - the easiest way i can think of is drilling the same "ribs", so that the path follows the wires logical route. I will try to snap a picture from my frame.

_________________
Scott Foil Di2 2012
Scott Scale 35 2010


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PostPosted: Mon Jul 09, 2012 8:25 am 
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Joined: Sun Mar 11, 2012 1:40 am
Posts: 240
Omiar
Yes I got what you mean, could you send a picture, that will be great.
You mean to drill only the hole in the bottom of the BB shell where the ribs are and to get from there the wires to the FD (which will go up) and the battery the same way, (not a hole from the top of the BB shell, right?). The RD wire will go through the drilling of the right existing housing, that's what you mean?
Thanks.


Last edited by WasFab on Mon Jul 09, 2012 9:03 am, edited 5 times in total.

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Posted: Mon Jul 09, 2012 8:25 am 


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