Knog Cobber Rear Light
Best high visibility safety light for urban commuters and daily city riders.
This compact rear light offers exceptional side-on visibility with a wide beam arc, ensuring safety from multiple angles. It balances long-lasting battery performance with a lightweight, waterproof design that easily attaches to various seatposts.
$54.99
at
Knog (Official US Store)
Who it's for
- Commuters navigating busy intersections with heavy cross-traffic
- Minimalists who want to carry fewer charging cables
- Weight-conscious cyclists seeking a low-profile safety light
Who should skip it
- Long-distance riders who need illumination for several hours
- Users with limited access to open USB-A ports
- Daytime road cyclists requiring maximum intensity for high-speed traffic
Performance breakdown
Visibility Coverage
The 330-degree beam arc offers near-total protection from all rear angles.
Weather Resilience
IP67 rating ensures total reliability during the heaviest downpours.
Mounting Versatility
Quick-release system adapts seamlessly to both standard and aero seatposts.
Battery Efficiency
Eco-mode delivers an impressive 75 hours of runtime on one charge.
Weight Profile
At just 22 grams, it adds zero noticeable bulk to your bike.
Charging Convenience
USB-C compatibility makes recharging fast and universally accessible.
Key Specs
Lumens
75 lumens
Weight
22 grams
Water Resistance Rating
IP67
Mounting Type
Quick-release, Strap
Battery Life
Up to 75 hours
Charging Method
USB-C
Light Modes
High, Low, Pulse, Strobe, Eco
Intended Use
Cycling, Commuting
Mounting Location
Seatpost
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