Knog Cobber Reflex Bike Light
Best high visibility safety light for urban commuters and road cyclists.
A compact, high-visibility rear light that wraps around the seat post to provide 330 degrees of illumination. It simplifies charging with a cable-free design and offers enough runtime to handle long commutes without frequent recharging.
$27.50
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Who it's for
- Urban commuters navigating busy intersections with heavy cross-traffic
- Minimalist riders who prefer a clutter-free charging setup
- Safety-minded cyclists who want constant visibility regardless of battery status
Who should skip it
- Long-distance riders who cannot recharge during their daily travels
- Practical owners who prefer standardized mounting hardware for easy replacements
- Casual bikers seeking a simple, low-cost solution for occasional use
Performance breakdown
Visibility Coverage
The 330-degree beam arc provides near-total protection from every angle.
Adaptive Intelligence
Reflex sensors intuitively react to braking and cornering for safer riding.
Mounting Versatility
Quick-release system fits aero and standard posts with minimal fuss.
Weather Durability
IP67 rating ensures reliable performance through heavy rain and road spray.
Customization Depth
Web-based interface allows precise control over your preferred light patterns.
Battery Efficiency
Impressive 70-hour runtime keeps you visible on long, demanding commutes.
Key Specs
Brightness
250 lumens
Battery Life
70 hours
Water Resistance Rating
IPX7
Mounting Type
Strap-On
Power Source
USB Rechargeable
Charging Method
USB-C
Light Modes
High, Low, Hype, Eco
Material
Silicone and Plastic
Mounting Location
Bike Frame
Intended Use
Cycling
Know before you buy
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