Product DescriptionSerfas Thunderbolt (UTL-6) Taillight gives you style and safety in one high-powered and affordable package. 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. And with 7 different color options, your bike will definitely find its match. Charge up, light up and get riding safely with the Thunderbolt.
Mtbr Bike Lights Shootout - over 50 bike lights reviewed, photographed and measured here.