Taillights

Know what's coming. Ride with extra confidence with Trek CarBack Radar Rear Light. CarBack's radar helps detect rear-approaching vehicles from up to 240m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness. Built with integrated best-in-class Daytime Running Lights that are visible from up to 2km away, CarBack is a must-have for every cyclist riding on shared roads. - CarBack can detect and alert riders of rear-approaching vehicles from up to 240m away - Compatible with most cycling GPS computers - Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone - Designed with focus, flash, and range to be Daytime-visible from up to 2km away - Four light flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM, and Night Flash 5 LM - Visible fuel gauge LEDs make it easy to see CarBack's 7+ hour battery status - IPX7 waterproof rating to confidently ride through wet conditions - Includes Quick Connect Plus rear mount and USB-C charging cable

Three bright LEDs with over 270 degrees of weather-resistant visibility. Send the right signal Added visibility. Flare 1 is powered by three ultra-bright LEDs that provide over 75 hours of run time on only two AAA batteries. Batteries included—when else does that ever happen? Product details - Be seen with Bontrager's focused optics and over 270-degree visibility - Three bright white, environmentally-friendly LEDs - Three modes—steady high beam, flashing and random flashing - 80+ hour run time - Includes AAA batteries and a seat post clamp