The Exposure Trace amp TraceR Reakt Mk4 Front and Rear Light Set are designed for use on the road. They are small enough to sit in a bag or jersey pocket but powerful enough to use as daytime running lights or emergency lights for longer rides. The Trace 4 front light delivers a scarcely believable 360 lumens from a 35g package, which makes it the easiest light in your life to actually remember. It lives in a jersey pocket, a rucksack lid, a saddlebag or clipped to the bars all week. USB-C charges it fully in 90 minutes. A tough CNC-machined aluminium body and an IP67 rating mean British winters are not its problem. Whether you commute through traffic or head out on faster roads at the weekend, the Trace 4 punches well above its weight.The TraceR 4 ReAKT rear light pays attention. It flares up when you brake and when the light around you gets brighter, then eases off for the rider sitting on your wheel. All of that comes from a 35g package delivering up to 200 lumens, charged over USB-...