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.
External Di2 battery hole after internal upgrade
Moderator: robbosmans
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How about using some silicon based putty like Sugru to plug up the holes?
THE PAST: 2005 C'dale R700, 2006 Spesh S-Works Tarmac Gerolsteiner, 2009 Pinarello Dogma FPX My Way, 2011 Time RXR VIP
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THE PRESENT: 2016 Colnago C60 ST01, 2017 Wilier Cento 10 Ramato, Cinelli Gazetta
THE FUTURE:
