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Serfas Thunderbolt USB Taillight - UTL-6BK, Black, LED Bicycle Safety Light
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Vendor: Serfas
Type: lights-lighting-accessories
Sku: WBLSDB009WGFYRC
Availability: In Stock
Sold by LightsDaddy, an authorized reseller.
Returns accepted within 30 days | support@lightsdaddy.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Securely packed to protect your lighting fixtures during transit
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · Item must be unused & in original packaging
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
Safety & Compliance
⚠️
California Proposition 65 Warning
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.gov
⚡
Electrical Safety Warning
All electrical products must be installed by a qualified electrician in accordance with local wiring regulations. Incorrect installation may result in fire, electric shock, or injury.
Always disconnect power at the circuit breaker before installation.
💡
Bulb & Usage Advisory
Do not exceed the maximum wattage specified on the fixture label. Keep away from flammable materials. Allow adequate ventilation around the fixture.
Keep out of reach of children. Not suitable for wet locations unless rated IP65 or higher.
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Serfas Thunderbolt USB Taillight - UTL-6BK, Black, LED Bicycle Safety Light
$46.90
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Frequently Asked Questions
- Q: What are the dimensions of the Serfas Thunderbolt USB Taillight? A: The dimensions are seven point ninety-nine inches long, four point seventy-six inches wide, and one point seventy-three inches high.
- Q: How bright is the Serfas Thunderbolt Taillight? A: It produces thirty-five lumens of pure red light, ensuring excellent visibility for cyclists.
- Q: What type of battery does the Thunderbolt Taillight use? A: It uses a rechargeable Lithium Polymer battery, eliminating the need for disposable batteries.
- Q: How many micro-LEDs does the Thunderbolt Taillight have? A: The taillight features thirty micro-LEDs, enhancing its visibility on the road.
- Q: What are the different modes available for the taillight? A: It has four modes: steady high, steady low, high blink, and low blink.
- Q: How long does it take to fully charge the Thunderbolt Taillight? A: It takes three point five hours to fully charge the taillight.
- Q: How do I mount the Serfas Thunderbolt Taillight? A: It offers several rear-facing mounting options for versatile installation on different bike styles.
- Q: Can I use the Thunderbolt Taillight in wet conditions? A: Yes, it features a water-resistant silicone body, making it suitable for wet weather.
- Q: What is the burn time for the steady low mode? A: The steady low mode has a burn time of seven hours.
- Q: Is the Thunderbolt Taillight easy to install? A: Yes, it is designed for easy installation with various mounting options to fit different bikes.
- Q: How do I clean the Serfas Thunderbolt Taillight? A: Gently wipe it with a damp cloth to keep it clean, avoiding harsh chemicals.
- Q: What should I do if my taillight stops working? A: Check the battery charge and ensure it is properly mounted; if issues persist, consult the manufacturer.
- Q: Is this taillight suitable for all bike types? A: Yes, it is designed to be versatile and can fit most bike models.
- Q: Can I use the Serfas Thunderbolt Taillight during the day? A: While it is primarily designed for night use, its bright lumens can enhance visibility during the day.
- Q: What is the warranty on the Serfas Thunderbolt Taillight? A: The warranty details can vary; please check the manufacturer's policy for specifics.