Trek CarBack USB Rechargeable Taillight Black Light

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.

• CarBack helps you ride with more confidence with a radar that detects rear-approaching vehicles and a taillight that's visible from up to 2km away
• 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 5LM
• Visible fuel gauge LEDs make it easy to see CarBack's 7+ hour battery status