Reelight SL120 Flash Backup Front & Rear Light Set

The Reelight SL120 is a battery-free front and rear bicycle light set powered by magnets at the wheels, so the lights operate automatically while you ride without charging or replacing batteries. Its built-in backup capacitor keeps the lights flashing for a short period after you stop, making it a practical always-ready visibility system for compatible bikes with V-brakes or coaster brakes.