Knog Big Cobber Tail Light
Best premium visibility for serious cyclists prioritizing safety and design.
This rear bike light offers exceptional brightness with 270 lumens, ensuring high visibility. It features efficient Chip on Board (COB) LEDs that maintain peak brightness for most of the battery life. The light is completely waterproof with an IP67 rating and boasts an impressive run time of up to 120 hours.
$64.95
More Cobber options
Who it's for
- Urban commuters and road cyclists prioritizing maximum all-around safety.
- Everyday riders seeking ultimate convenience and minimal charging accessories.
- Cyclists riding in all conditions, including bright daylight.
Who should skip it
- Budget-conscious cyclists or those needing a basic tail light.
- Endurance cyclists or those on very long, dark rides.
- Cyclists with aero seatposts or limited mounting space.
Performance breakdown
Visibility Range
The 270-degree beam angle provides unmatched side-on safety for urban cyclists.
Battery Efficiency
Impressive 120-hour runtime keeps you visible through long, demanding commutes.
Weather Resistance
IP67 rating ensures total reliability during heavy downpours and muddy rides.
Mounting Versatility
Multiple strap options accommodate almost any seat post or aero frame.
Charging Convenience
Integrated USB plug eliminates the hassle of carrying extra charging cables.
Customization Potential
ModeMaker app offers deep control over flash patterns and brightness levels.
Key Specs
Weight
0.375 lbs
Dimensions
7 × 3 × 2 in
Material
Plastic/Rubber
Lumens
270
Runtime
Up to 120 hours
Waterproof Rating
IP67
Modes
8
Charging
Integrated USB
Charge Time
5.5 hours
Mounting
Tool-less silicone straps, magnetic mount, large strap, standard mount, aero mount
Know before you buy
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