The Lezyne Radar React System enhances cyclist safety and visibility with advanced radar-based vehicle detection integrated into a powerful LED front and rear light setup. Riders receive real-time audio and visual alerts via the Lezyne Radar Ally app, compatible GPS bike computers, or directly through the React Drive front light—no smartphone required while riding.

With rear-facing LED indicators, disruptive daytime flash patterns, and up to 1200 lumens of front illumination, the system delivers TOTAL VISIBILITY day or night. Built with IPX7 waterproofing, USB-C charging, and Lezyne’s in-house engineering.

Note: Smartphone required for initial pairing.

 

RADAR DRIVE REAR SPECS:

• Max Lumens:300
• Max Runtime: 20 hours
• Weight: 144g
• Dimensions: 78mm, 48.9mm, 47.6mm

   

REACT DRIVE FRONT SPECS:

• • Max Lumens: 1200
  • Max Runtime: 70 hours
  • Weight: 162g
  • Dimensions: 89.8mm, 42mm, 35.5m