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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Battery with the holder before insertion

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Battery with the holder before insertion
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Battery with the holder before insertion
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Battery with the holder before insertion

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Partially inserted into a Cannondale C2 25.4 seatpost
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Partially inserted into a Cannondale C2 25.4 seatpost

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Closeup of the partially inserted battery in a C2 seatpost
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Closeup of the partially inserted battery in a C2 seatpost

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Seatpost, holders, and battery (SLK shown)
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Seatpost, holders, and battery (SLK shown)

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Put the holder on the battery by inserting the battery and spreading the holder
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Put the holder on the battery by inserting the battery and spreading the holder

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Ensure the internal lip is engaged on the recess of the battery
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Ensure the internal lip is engaged on the recess of the battery

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Insert the battery assembly into the seatpost
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Insert the battery assembly into the seatpost

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed It will require a good shove past this point
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed It will require a good shove past this point

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed It will start to get tight at this point
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed It will start to get tight at this point

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Keep pushing until the holder is fully seated
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Keep pushing until the holder is fully seated

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed The lip should be flush when fully inserted
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed The lip should be flush when fully inserted

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed To remove, pull with pliers on the flat surfaces
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed To remove, pull with pliers on the flat surfaces

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Once it is removed this far, it can be removed by hand
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed Once it is removed this far, it can be removed by hand

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed
Di2 Battery Holder For 25.4 Seat Posts (19mm ID) 3d printed

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Di2 Battery Holder For 25.4 Seat Posts (19mm ID)

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OVERVIEW
  • 3D printed in White Strong & Flexible: White nylon plastic with a matte finish and slight grainy feel.
  • Be the first to try. Learn more
  • This product is intended for mature audiences.
$22.95
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Product Description

This battery holder sleeve is for the Shimano Di2 internal SM-BTR2 or BT-DN110 battery. This battery fits inside the seat post but typically requires a seat post made specifically for Di2.  The holder sleeve allows the battery to be held securely within a non-Di2 specific 25.4mm seat post found on many Cannondale bikes from 2014 to current.  It will also fit other seat posts with the same inside diameter.

This model is for a 25.4 mm seat post with a 19 mm inside diameter.

IMPORTANT NOTE:  We make Di2 battery holders for 25.4mm seat posts with 19 mm, 19.5 mm, 20 mm, and 21 mm inside diameters.  If your measurement is close, pick the smaller size.  If the measurement is more than .5 mm from the available sizes, or an odd shape, contact us for a custom version.  There are also versions made for 27.2 mm seat posts with various inside diameters.

Installation Instructions:
To use this holder, simply spread the holder at the long seam while inserting the battery, with the battery connector end facing the thick lip.  Continue inserting the battery until the battery is fully inserted and touching the inside of the thick lip.  There is a smaller internal lip that holds the battery in place.  Ensure that the battery is locked into that lip, and not simply pressed up against it.  If the battery retracts easily from the holder, that means it isn't inserted fully and is not locked in.  After the holder is attached, insert the battery holder assembly into the seat post.  It will require moderate force to insert when you reach the splines.  Once the battery is inserted, it cannot be easily removed by hand.  Use a pair of pliers to grip the thick lip to pull the battery back out.  DO NOT pull the battery out by the battery connector!  Retraction is easiest by gripping the holder sideways, and twisting it out until it is out about an inch.  It can then be removed by hand.

See the YouTube video for a demonstration.


 
What's in the Box
INCM
Di2 Battery Holder For 25.4 Seat Posts (19mm ID)
White Strong & Flexible
Width
2.3 cm
Height
9.4 cm
Depth
2.4 cm

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