Tune Energietrager

Article number: 004-04-01
Availability: In stock (7)

Due to the absence of an elegant, lightweight method to securely position your Shimano Di2 battery in your seatpost, Tune has masterfully created a simple solution to this common problem. The Energietrager from Tune is a straightforward aluminum-and-silicon compression wedge that can be installed on your internal seatpost battery in seconds. By utilizing a friction-inducing silicon wedge, the battery is firmly held inside the seatpost, resulting in a clean aesthetic and peace of mind. Available in 2 sizes, size S is compatible with seatposts featuring a 26.8 - 27.6mm inner diameter, while size M is designed for 28 - 30mm inner diameter posts. Detailed installation instructions are included with each Energietrager.


Weight 10 grams
Size S 26.8 - 27.6mm seatpost ID
Size M 28.0 - 30.0mm seatpost ID
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