Serfas Thunderbolt Tail Light UTL-6


Type: Cycling Lights

Vendor: Serfas


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Being seen is what it’s all about! Safety!

Serfas Thunderbolt USB Taillight UTL-6


Serfas' Thunderbolt Taillight gives you style and safety in one high-powered and affordable package. Being seen on your bike at night never looked so good until Serfas' Thunderbolt Taillight hit the scene. This USB rechargeable gem comes with 35 lumens of firepower while giving riders' several different rear facing mounting options. The 30 micro-LED strip will let your presence be known to cars and bikes alike. The rechargeable Lithium Polymer battery will have you saying good bye to buying additional batteries and hello to saving the earth and all your hard earned money. Charge up, light up and get riding safely with the Thunderbolt.



- Produces 35 lumens of pure red light
- USB rechargeable light, that fully charges in 3.5 hours
- Features 30-mini LED strip
- Features a water resistant silicone body and unique mounting options
- Modes: high beam, low beam and two flash modes Run times: 1.75 hours (high beam); 3 hours (low beam); 7 hours (high blink); 9.5 hours (low blink)

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