Garmin Varia RTL515 Rearview Radar with Taillight One Color, One Size

What Our Gearhead(R) Experts Are Saying:"The Varia RTL515 changed how I ride on roads and mixed-use paths. The radar alerts and visuals let me focus on my line instead of looking back, and battery life lasts even on long days. The group ride mode is gentle on eyes and the taillight is as bright as it gets."The Varia RTL515 Rearview Radar with Taillight gives real-time awareness of traffic coming from behind, so we stay focused on the miles ahead. Pairing seamlessly with Garmin Edge computers and smartphones, the radar notifies us of approaching vehicles from up to 140 meters away while the taillight keeps us visible from a mile back. Multiple flash modes, including a group-friendly peloton option, suit any daylight or nighttime, solo ride or pack ride. The rechargeable battery makes for all-day reliability and compact mounting stays low-profile on any seatpost.