The Trek Ion 100 R and Flare R City light set offers the visibility of a daytime running light and the versatility of a compact design that easily mounts to any bike. Focused optics, an interruptive flash pattern, and a broad range boost visibility day or night with a wide beam spread optimized for city riding. These USB rechargeable lights are a must-have for city and shared-road riding.

Trek Ion 100 R & Flare R City Features

• Be seen with a broad, powerful beam and balanced optics designed for city riding
• Specifically designed focus, flash, and range for daytime visibility
• Each light features two daytime visibility modes and two night modes
• Battery save mode at 5% life helps you be seen on the way home with a depleted battery
• USB rechargeable
• Includes Ion 100 R, Flare R City, two quick connect brackets, and a micro USB charging cable

Trek Ion 100 R & Flare R City Specs