Garmin Varia all the way.
Was on my local group ride last night. Myself and two others broke away on a climb from the group. I then noticed that they both had Varia’s along with myself.
Heads up and calling Car Back was a treat to watch when their Varia’s flash as the car approached and passed.
Love my Varia and it’s now a first class citizen in my what gets charged after every ride regardless! 