Garmin Varia RVR315

I know that riding a bike requires concentration and awareness. I've got to watch the road surface and check for upcoming traffic, all while concentrating on my effort level, gear choice, and more. And even though I've trained myself to look back frequently and listen for traffic, I've been surprised by upcoming cars — not a pleasant experience! Garmin's Varia RVR315 rear-view radar has an integrated sensor that sends information about overtaking traffic to compatible Garmin Edge cycling computers, Garmin fitness watches, or smartphones — even phones running third-party apps like Ride with GPS. It makes it a lot easier to ride safely. Note: You'll need a compatible Garmin Edge cycling computer, Garmin fitness watch, or smartphone to serve as a display for the RVR315. When vehicles approach from behind, an overlay display appears on the screen of your computer or watch. The RVR315 even tracks multiple cars from up to 153 yards away (about 1.5 football fields), displaying the relative position of each with a...