Smart compact rear light
Exposure TraceR 4 ReAKT Rear Light
A 35g aluminium rear light that reacts to ambient light, flares when you brake and dims for riders drafting behind. A small, clever upgrade for commuting and road riding.
200Lumens
35gWeight
90minUSB-C charge
IP67Rating
Highlights
Why we rate it
Brake light
Detects deceleration and flares brighter to warn traffic behind.
Ambient sensing
ReAKT adjusts brightness to conditions to save battery and stay visible.
Group-ride friendly
Dims automatically when another rider is close behind.
Tech specs
Specification
Manufacturer specification. Details may change without notice.
Specification
- Output
- Up to 200 lumens
- Smart features
- ReAKT ambient sensing, brake light, Peloton dimming
- Weight
- 35g
- Charging
- USB-C, approx. 90 minutes
- Body
- CNC-machined aluminium
- Rating
- IP67
- Mounting
- Seatpost bracket included
- Warranty
- 3 years (bought direct from Exposure); lifetime LED guarantee
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For availability, fitting or advice, call 0203 148 6764 or email hello@thecyclecollective.cc.
Product Information
Features
Tech Specs