I just got a RTL 515 and noticed it does not have a tether loop like my Edge device has. I really don't trust a $200 taillight to a rubber band to hold it on my bike.
Has anyone been able to modify their varia with a loop?
Here's my solution, I think it's neat:D
I used next to the rubber band tie-rips to secure the universal mount to the seat post. Between the seat post and the rubber pad that supports the universal mount I applied double sided tape to reduce…
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My solution for this issue is a small piece of aluminum