The TraceR ReAKT packs technology and performance into a super compact rear light. ReAKT (Ambient Kinetic Technology) is the latest innovation automatically adapting the light to conditions, flaring up to 120 lumens under braking or entering brighter environments, the addition of PELOTON mode, causing the TraceR to dim when the light from the rider behind is detected, the TraceR can still be seen. Featuring Optimised Mode Selector with 3 brightness levels, side illumination.