Hi,
I find the standard Garmin mounting solution for the RTL515 not good at all.
I tried the Varia seat-post mount (https://www.garmin.com/en-US/p/521461) but this is also bad designed. The screw touched my leg when pedaling.
Anyone find a better solution?
I did come across this solution, which seems to be well designed, but is a bit pricey: