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Sep 23, 2025

Lezyne launches rear-radar light system

Lezyne has launched the Radar React System: a rear-facing radar light that can ping alerts to a compatible Lezyne front light, so you don't need a head unit to receive alerts of vehicles approaching. The Radar Drive rear can also run on its own via Lezyne's Radar Ally app or paired with a compatible cycling computer.

Lezyne says the radar spots vehicles up to 150 m away, and has seven light modes, including a quick-flash alert when a car approaches, with a claimed 300-lumen max and up to 20 hours of runtime.

The pieces are sold separately or as a bundle. The Radar Drive rear is priced at £170 / US$180 / €170 and the React Drive front goes for £100 / US$125 / €120, or you can get the "system" for £250 / US$280 / €260.

We've got a set on the way and will stack it up against the rear radars from our recent group test.