Serfas TSV-130 Vulcan Tail Light
Best bright, reliable tail light for enhanced cycling safety.
This compact rear light prioritizes visibility with a unique finned lens design that casts light across a wide 180-degree arc. It balances high-intensity daytime flash modes with long-lasting battery life, making it a reliable choice for daily commuters who need to be seen from multiple angles.
$44.99
at
Now Bikes & Fitness
Who it's for
- Cyclists prioritizing maximum safety and daytime presence on roads.
- Commuters and endurance riders needing reliable power for extended periods.
- All-weather cyclists and daily commuters facing unpredictable elements.
Who should skip it
- Riders with unique seat post configurations or specific aesthetic preferences.
- Budget-conscious cyclists seeking essential illumination without extra cost.
- Group riders or urban cyclists who prefer less intense rear lighting.
Performance breakdown
Side Visibility
Finned lens design creates an exceptional 180-degree field of safety.
Daytime Conspicuity
High-intensity flash mode cuts through bright sunlight for reliable daytime presence.
Mounting Versatility
Aerodynamic bracket secures firmly to most modern, sculpted seat posts.
Battery Efficiency
Auto Safe mode intelligently manages power to extend ride duration.
Charging Convenience
Modern USB-C port ensures fast, universal charging compatibility.
Weight-to-Output Ratio
Impressive 130 lumens packed into a lightweight, unobtrusive 52-gram frame.
Key Specs
Max Brightness
130 lumens
Battery Capacity
500 mAh
Light Type
Tail light
Mounting Location
Seatpost
Max Runtime
22 hours
Number of Light Modes
5
Visibility Angle
180 degrees
Charging Interface
USB-C
Weight
52 grams
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