Roadster V2 Extended Battery

Maybe some strategically placed electrical tape somewhere on the mount could work? I am ordering the range extender as we speak.
I had tried tape, foam and other things… but a loop of Velcro worked the best for me (and easily taken on and off, when removing external battery)
 
In case anyone wants an alternative way to carry a water bottle while using the extended battery, recently found this as a relatively clean and easy way to do this (replacing a messy plastic sheet and multiple zip tie hack).
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I'm thinking about mounting a couple of bottle holders on my Gravelsters. Doubt I go for the range extenders. Anyone have a good fit or look?
 
I'm thinking about mounting a couple of bottle holders on my Gravelsters. Doubt I go for the range extenders. Anyone have a good fit or look?
SKS bottle adapters above are great, so you can carry two bottles if you don’t have the range extender.
 
Looked at those and others, but nothing else besides the SKS seemed to be suitable for a large diameter downtube.
Weird... I use it on the seat tube on the sport which is large diameter and it works fine. It helps that the bottom rests on the diagonal of the down tube. I even rotate it so I can remove the battery and it's been pretty grippy.
 
Weird... I use it on the seat tube on the sport which is large diameter and it works fine. It helps that the bottom rests on the diagonal of the down tube. I even rotate it so I can remove the battery and it's been pretty grippy.
Yes, that seems right, for the seat tube. I was talking about adding a bottle on a larger diameter downtube or top tube.
 
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