Serfas Thunderbolt USB Headlight, Black

Serfas Thunderbolt USB Headlight, Black

• The industry's most technologically advanced safety lights
• All lights are robs compliant and all testing is done in house
• More efficient leds & high quality lenses to increase brightness & Clarity
• Produces 90 lumens of pure light
• USB rechargeable light, that fully charges in 3.5 hours
• Features 15-micro (double strength) LED strip
• Features a water resistant silicone body and unique mounting options
• Modes: high beam, low beam and two flash modes Run times: 1.5 hours (high beam); 6.5 hours (low beam); 3.5 hours (high blink); 9 hours (low blink)

Wherever your road leads we know cyclists seek the ultimate ride. With that in mind, Serfas is always striving to make products that reflect those wants and needs. Our 20-plus year commitment to quality, performance and customer service is reflected in our innovative products that are rider-tested and rider approved.