Exposure Lights TraceR 4 ReAKT is a rear flasher that weighs just 35 g and shines up to 200 lumens. It’s ideal for fast daytime rides as well as riding home after dark. ReAKT technology automatically reacts to braking and ambient light, so drivers will see you in every situation.
- Automatic response to surroundings
ReAKT technology increases light intensity when braking and in brighter ambient light. - Peloton mode for group riding
As soon as the light detects the light of a rider behind you, it dims the output and reduces glare.
- Light output up to 200 lumens
- Weight just 35 g
- CNC-machined aluminium body
- Runtime up to 40 hours
- USB-C charging
Combined with the Trace 4 front light, you’ll be clearly visible from the front and rear, day and night. The light is compatible with saddle bags from the new Apidura Expedition range.
Specifications:
Product type: rear light
Model: Exposure Lights TraceR 4 ReAKT
Weight: 35 g
Light output: up to 200 lumens
Runtime: up to 40 hours depending on mode
Body material: CNC-machined aluminium
Charging: USB-C
Technology: ReAKT, Peloton mode
Compatibility: Apidura Expedition saddle bags (new range)
Box contents: TraceR 4 ReAKT rear light, seatpost mount, USB-C charging cable
EXPOSURE LIGHTS is a British brand specializing in the production of high-quality outdoor lighting, primarily high-performance headlamps and bike lights. Its products are designed with an emphasis on maximum performance, reliability, and durability, even in demanding conditions. The brand places great emphasis on modern technology, precision craftsmanship, and innovative solutions that ensure ample light for sports and outdoor activities.
The product line includes front and rear bike lights, powerful helmet lights, and headlamps suitable for cycling, mountain biking, road riding, and daily commuting. The products are characterized by their compact design, built-in rechargeable batteries, and precisely engineered light beams. The lamp bodies are made of durable aluminum, and the products are designed and manufactured in the United Kingdom. EXPOSURE LIGHTS represents a premium choice for cyclists seeking top-notch performance, safety, and maximum reliability in all lighting conditions.



