What Our Gearhead(R) Experts Are Saying:"The Link Plus Mk4 is ideal for riders looking for helmet-mounted visibility. Its 450-lumen front light and 50-lumen rear keep me seen from over a kilometer away, and the DayBright pulse mode stands out in both day and night conditions. The lightweight design makes it comfortable for commutes and training alike."The Link Plus Mk4 DayBright Light Set is designed for standout visibility and safety on every ride. With 450 lumens in the front and 50 in the rear, this helmet-mounted light set provides 360-degree illumination that's visible from over a kilometer away. Whether commuting through city streets or training on rural roads, the DayBright pulse mode cuts through distractions, ensuring we're seen in all light conditions. Lightweight at just 77 grams and USB rechargeable, this versatile light set offers up to 32 hours of runtime, making it the ultimate companion for high-visibility safety, day or night.