External Di2 battery hole after internal upgrade

Discuss light weight issues concerning road bikes & parts.
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alexmcm09
Posts: 30
Joined: Tue Feb 13, 2018 11:02 am

by alexmcm09

I just got my 2012 Trek Madone (the pre-aero model) back from the LBS where I upgraded from Ultegra 6770 to 6870. I had them fit an internal battery as well after having external battery mounts fail from the perpetually wet British roads.

However I'm now left with a gaping hole through to my bottom bracket where the battery mount used to sit. Does anyone know of a good way to plug up this hole? I feel like I'll be going through a lot of bearings if I don't address it.
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jimaizumi
Posts: 720
Joined: Mon Jan 30, 2006 1:48 am

by jimaizumi

How about using some silicon based putty like Sugru to plug up the holes?
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by Weenie


alexmcm09
Posts: 30
Joined: Tue Feb 13, 2018 11:02 am

by alexmcm09

jimaizumi wrote:
Mon Mar 05, 2018 9:40 pm
How about using some silicon based putty like Sugru to plug up the holes?
That looks absolutely perfect. Thank you.

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