The Radius F1 is the first smart bike light with stepless speed-controlled light output for perfect visibility at any speed. As you ride faster, the light gets brighter; when you slow down, it dims. No technology integrations required—the Radius F1 is both speed sensor and light source.
In addition, it switches into a safety-enhancing pulse mode when you’re braking to a stop or turning a corner, because riding at slower speeds can make you less visible to drivers.

Engineered for both aesthetic excellence and technological performance, the Radius F1 is modern and minimalist. The light’s neutral color scheme complements any bike setup.

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