Serfas Thunderbolt Tail Light


Being seen on your bike at night never looked so good with Serfas’ Thunderbolt (UTL-6) Taillight. 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. With 8 different color options, your bike will definitely find its match.

Charge up, light up and get riding safely with the Thunderbolt.

35 lumens
USB rechargeable
Features a light silicone body
Features 30 micro-LED strip
Modes: 1.5 hours (high steady); 4 hours (low steady); 2.5 hours (high flash); 8 hours (low flash)
Unique mounting system that allows for endless mounting possibilities
Highly Water resistant
Weight: 50 grams

Clear selection
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Additional Information


Black, Clear