- Home Page /
- Sports Outdoor & Fitness /
- Sports /
- Cycling /
- Accessories /
- Lights & Reflectors /
- Taillights /
- Serfas Thunderbolt USB Taillight
0 ratings
Item #:
5189138
Serfas Thunderbolt USB Taillight
Item #:
5189138
KWD 16
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Saturday, August 08
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Being seen on your bike at night never looked so good until Serfas' Thunderbolt Taillight hit the scene.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
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.
-
Night Riders
Perfect for those who frequently ride at night, ensuring they are seen by motorists with its powerful LED lights.
-
Casual Cyclists
A great option for leisure cyclists looking for an easy-to-use, rechargeable taillight for enhanced safety.
-
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
Have any Query? Chat with us
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
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
A
Ahmad
Verified buyer
“Fast delivery, great experience overall.”
03-Jul-26 · via Trustpilot
AM
abbas
Verified buyer
“Excellent item received as expected and before the estimated time. Thanks for the great service.”
19-Jul-26 · via Trustpilot
WA
Waleed
Verified buyer
“Thank you for your message. I received the product and it is very good ? I?m really impressed with how great it works! I will be happy to share my feedback on the website.”
11 February 2026 · via Trustpilot
AA
Ahmed
Verified buyer
“Very good the same exact product that i wanted good shipping and delivery”
10 June 2026 · via Trustpilot
AN
Ambhita
Verified buyer
“Package delivered on time”
10 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- 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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
KWD 16
Order now and get it around Saturday, August 08
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
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
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.