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Converting an Ultegra Di2 from external routing to internal

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Converting an Ultegra Di2 from external routing to internal

Old 05-22-13, 04:18 AM
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limjaz
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Converting an Ultegra Di2 from external routing to internal

Hi Guys

Im currently using a Shimano ultegra Di2 with external routing. However, Im planning to get a Di2 specific frame in the near future and Im just wondering how to go about the conversion from external to internal. Is it even possible? which parts would be compatible?

Thanks
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Old 05-22-13, 08:11 AM
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I just had it done. I had to add quite a few components, one being an internal junction box rather than the external one that use to mount under the bb, and the second was a seat post battery which also required a new part that mounts under the stem...it is the part that lets you adjust the rd..but also now lets you hook a charger up to charge the internal battery.
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Old 05-22-13, 08:26 AM
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Mechanics forum?
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Old 05-22-13, 08:43 AM
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I just did it a few months ago. Only items I had to purchase were the internal junction box and the appropriate battery mount. My cables are a little longer than necessary now but no one will ever know since they are stuffed in the downtube.
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Old 05-22-13, 08:43 AM
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Oh and welcome to bf.net.
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Old 05-22-13, 09:01 AM
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I'm going external soon (I can't afford a frame that has internal wiring).


Outside the groupset w/ wiring, all I need to get are the brake cables and the wiring sheath correct?
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Old 05-22-13, 09:06 AM
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Originally Posted by KantoBoy View Post
I'm going external soon (I can't afford a frame that has internal wiring).


Outside the groupset w/ wiring, all I need to get are the brake cables and the wiring sheath correct?
External junction box, appropriate battery mount.
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Old 05-22-13, 10:06 AM
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Originally Posted by LowCel View Post
Oh and welcome to bf.net.
Thanks!
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Old 05-22-13, 10:09 AM
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Originally Posted by LowCel View Post
I just did it a few months ago. Only items I had to purchase were the internal junction box and the appropriate battery mount. My cables are a little longer than necessary now but no one will ever know since they are stuffed in the downtube.
where is your new battery mounted? im looking at a frame where the battery is mounted on one of the chainstays , would I need a longer wire for this?
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Old 05-22-13, 10:16 AM
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I also just did a retro fit. I had to buy the internal junction box, some sort of harness and new seat post \ battery.
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Old 05-22-13, 10:33 AM
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how is the battery mounted to the frame stays? Is a factory zert supplied?
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Old 05-22-13, 10:39 AM
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Originally Posted by limjaz View Post
where is your new battery mounted? im looking at a frame where the battery is mounted on one of the chainstays , would I need a longer wire for this?
Mine is mounted on the non-drive side chainstay. I did not need a longer wire on my frame.

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Old 05-22-13, 02:57 PM
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Originally Posted by LowCel View Post
External junction box, appropriate battery mount.
Yes I do have that.

This is what I have at the moment. Not sure if I'm complete:

1. STI Levers - Ultegra ST-6770 Di2 STI Levers
2. Brakes - Ultegra BR-6700 Gray Front & Rear
3. Rear Derailleur - Ultegra RD-6770 Di2
4. Front Derailleur - Ultegra FD-6770 Di2 braze on
5. Chain - Ultegra CN-6701 10-spd Chain
6. Bottom Bracket - Ultegra BB-6700 English
7. Front Wire Kit with Control Unit - SM-EW67A-E
8. Battery - SM-BTR1 Rechargeable Battery External Di2
9. External Battery Charger - SM-BCR1 (110V-220V) with power cord
10. Connecting Wires (included lengths 300mm, 550mm, 700mm, 1000mm)
11. Crankset
12. Cassette ULT CS-6700
13. Battery Mount Di2 – External Long
14. Rear Wire Junction Box Di2 – External
15. Harness Grommet
16.Cover Sheath
17.Brake cable


Is that it? What's the harness grommet for?
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Old 05-22-13, 06:17 PM
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Originally Posted by KantoBoy View Post
Yes I do have that.

This is what I have at the moment. Not sure if I'm complete:

1. STI Levers - Ultegra ST-6770 Di2 STI Levers
2. Brakes - Ultegra BR-6700 Gray Front & Rear
3. Rear Derailleur - Ultegra RD-6770 Di2
4. Front Derailleur - Ultegra FD-6770 Di2 braze on
5. Chain - Ultegra CN-6701 10-spd Chain
6. Bottom Bracket - Ultegra BB-6700 English
7. Front Wire Kit with Control Unit - SM-EW67A-E
8. Battery - SM-BTR1 Rechargeable Battery External Di2
9. External Battery Charger - SM-BCR1 (110V-220V) with power cord
10. Connecting Wires (included lengths 300mm, 550mm, 700mm, 1000mm)
11. Crankset
12. Cassette ULT CS-6700
13. Battery Mount Di2 – External Long
14. Rear Wire Junction Box Di2 – External
15. Harness Grommet
16.Cover Sheath
17.Brake cable


Is that it? What's the harness grommet for?
I'm not seeing anything missing.
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Old 05-22-13, 11:34 PM
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awesome. Thanks LowCel.
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Old 05-23-13, 05:09 AM
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Originally Posted by KantoBoy View Post
awesome. Thanks LowCel.
Welcome. Be sure to post some pics once you are done. I'm not sure if you mentioned it or not, what are you building?
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Old 05-23-13, 05:18 AM
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Originally Posted by LowCel View Post
Mine is mounted on the non-drive side chainstay. I did not need a longer wire on my frame.


OMG! im thinking of getting a z5sli too. How does it compare to your other bikes? Im torn between the parlee z5sli and a colnago c59. My local LBS has a c59 in stock but it is very expensive I dont think any of my current component would look good on it Lol

currently using a medium parlee z4 with 90mm stem and Im thinking of moving to a z5sli small/tall.
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Old 05-23-13, 05:28 AM
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Originally Posted by limjaz View Post
OMG! im thinking of getting a z5sli too. How does it compare to your other bikes? Im torn between the parlee z5sli and a colnago c59. My local LBS has a c59 in stock but it is very expensive I dont think any of my current component would look good on it Lol

currently using a medium parlee z4 with 90mm stem and Im thinking of moving to a z5sli small/tall.
I was really afraid that I was going to regret going from my Colnago CX1 to the Parlee. I haven't regretted selling the Colnago for a second. The Parlee is absolutely amazing!

Just so you know, Wrench Science is selling the 2012 Parlee Z5 SLi for less than $2,800. That's where I bought mine.
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Old 05-23-13, 06:08 AM
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Fwiw wrench science had one small regular available a few week ago but none of the talls in the 2012 model. In my conversation with them it seems like Lowcell deserves a spiff or two since so many of us have looked into these frames since his awesome posts !
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Old 05-23-13, 07:35 PM
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Originally Posted by LowCel View Post
Mine is mounted on the non-drive side chainstay. I did not need a longer wire on my frame.


Do you think the dura ace internal battery option ( installed in the seattube) is worth it? its gonna be nicer and cleaner but about 400 dollars more
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Old 05-23-13, 07:37 PM
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Originally Posted by LowCel View Post
Mine is mounted on the non-drive side chainstay. I did not need a longer wire on my frame.

hot!
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Old 05-23-13, 08:10 PM
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Originally Posted by LowCel View Post
Mine is mounted on the non-drive side chainstay. I did not need a longer wire on my frame.
You just wanted an excuse to ***** your bike out again.

You know, it's not even in your sig.
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Old 05-24-13, 04:40 AM
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Originally Posted by limjaz View Post
Do you think the dura ace internal battery option ( installed in the seattube) is worth it? its gonna be nicer and cleaner but about 400 dollars more
I have considered it but just can't justify it. If I were to get one I would go for one from Calfee.
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Old 05-24-13, 04:41 AM
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Originally Posted by Bah Humbug View Post
You just wanted an excuse to ***** your bike out again.

You know, it's not even in your sig.
I'll have to change that one of these days.
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Old 05-24-13, 11:19 AM
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I was gonna ask if the old battery mount would still work if I just cut off a piece of the mount then I saw Lowcel mentioning that he had to get a new battery mount. Guess that answers my question

Last edited by limjaz; 05-24-13 at 12:08 PM.
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