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

SEEMEE 30 is a new version rear light with high transparent optical lens and ambient light sensor. - EFFICIENT ENERGY CONSUMING--SEEMEE 30 emits stronger light outputs while consuming less energy with high transparent lighting strap, more efficient lighting performance comparing to traditional red case tail light. - DESIGN FOR YOUR SAFETY-- SEEMEE 30 lets you be seen from up to 800 meters, and its elegant translucent anti-scratch case provides 230 degree high side visibility, to make you more visible at risk moments. - AMBIENT LIGHT SENSOR-- Sensitive infrared light sensor built-in, automatically change the light mode according to environment, thus to increase warning effect during the day. - LOW POWER MODE-- When battery level is lower than 5%, SEEMEE 30 automatically changes to economic flash mode, which can run up to 20 minutes before it totally powers off. - IPX6 WATERPROOF RATE-- Storm or wind, SEEMEE 30 will resist the water from anywhere in any challenging environment. - COMPATIBLE FOR ALL-- Multiple mounting methods, solid silicon strap can be mounted safely to different bar shapes conveniently. - MEMERY FUNCTION AND MULTI-MODES -- Satisfy different riding scenarios. - CONVENIENT USB  - SIZE: 61x14x21mm. - WEIGHT: 24g.

Compact, super-lightweight USB rechargeable LED cycling taillight. Its durable co-molded construction is minimal and has an IPX7 water-resistance rating. A versatile mounting strap quickly mounts to a variety of post sizes. Five output modes offer up to 5-lumens and the custom Wide Angle Optics lens provides 270° of visibility. The Femto USB Rear can run for up to 15 hours and is easily rechargeable with the included Micro USB cable. A secure, threaded composite matrix cover keeps the USB port clean and sealed. The Femto USB is perfect for commuters and recreational riders looking for a simple and inexpensive way to add visibility. Specs - Max Lumens: 5 - Weight: 23g - Max Runtime: 15 hours - Recharge Time: 2:30