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- Serfas Thunderbolt USB Taillight
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Item #:
5189138
Serfas Thunderbolt USB Taillight
Item #:
5189138
SBD 409
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Friday, August 07
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Being seen on your bike at night never looked so good until Serfas' Thunderbolt Taillight hit the scene.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Visibility
The Serfas Thunderbolt USB Taillight offers exceptional brightness and visibility, ensuring you are seen from a distance during night rides, enhancing safety on the road.
USB Rechargeable
With a convenient USB rechargeable design, this taillight reduces battery waste and provides hassle-free power management, allowing you to focus on cycling without constant battery replacements.
Multiple Modes
Featuring several light modes, the Thunderbolt allows customization of brightness and flash settings, catering to various riding conditions and personal preferences for optimal visibility.
Product Details
| Power Source | Battery Powered |
| Water Resistance Level | Water Resistant |
| Mounting Type | Seatpost Mount |
| Number of settings | 4 |
| Light Output Maximum | 35 Lumens |
| Auto Part Position | Rear |
| Item Weight | 0.01 Ounces (0.28 grams) |
| Color | Black |
| Material Type | Silicone,Polymer |
| International Protection Rating | IPX6 |
| Brand Name | Serfas |
| Number of Pieces | 1 |
| Manufacturer | Serfas |
| UPC | 713835022993 |
| Global Trade Identification Number | 00713835022993 |
| Manufacturer Part Number | UTL-6BK |
| Model Number | UTL-6BK |
| Brand | Serfas |
| Material | Silicone,Polymer |
Who Should Buy?
-
Urban Commuters
Ideal for city cyclists needing bright visibility during early morning or evening rides in traffic-heavy areas.
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Night Riders
Perfect for those who frequently ride at night, ensuring they are seen by motorists with its powerful LED lights.
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Casual Cyclists
A great option for leisure cyclists looking for an easy-to-use, rechargeable taillight for enhanced safety.
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Long-Distance Riders
Not suitable for cyclists on extensive rides without charging options, as battery life might be insufficient.
Product Description
Serfas Thunderbolt USB Taillight
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Customer Questions & Answers
-
Question:
Is the Thunderbolt Taillight waterproof?
Answer: The Thunderbolt Taillight features a water resistant silicone body. -
Question:
How long does it take to fully charge the taillight?
Answer: The taillight fully charges in 3.5 hours. -
Question:
What are the different modes and run times?
Answer: The Thunderbolt Taillight has high beam, low beam, high blink, and low blink modes with corresponding run times of 1.75 hours, 3 hours, 7 hours, and 9.5 hours, respectively.
Serfas Taillights UTL-6BK Editorial Review
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23 July 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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SBD 409
Order now and get it around Friday, August 07
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Style and safety in one high-powered and affordable package
- USB rechargeable with 35 lumens of firepower
- Multiple rear facing mounting options
- 30 micro-LED strip for visibility to cars and bikes
- Rechargeable Lithium Polymer battery
- Technologically advanced safety light with various modes and run times
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