Knog Big Cobber Light

Regular price $113.00
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Knog Big Cobber rear light produces an incredible 330° of light, so you’ll be clearly seen from all angles.

It’s brilliantly effective at attracting attention day and night, so if you’re after the safest commuter bike light around then look no further.


Big Cobber is super simple to operate. A long press of the single button will turn the light on and off, and a short press will cycle through the modes. The Big Cobber has a run time of up to 120 hours for rear and up to 100 hours for front light.


Packing Rear 270 lumens and Front 470 lumens, Big Cobber is seriously bright. Efficient Chip on Board (COB) LEDs provide maximum brightness level for up to 90% of the battery burn time. Big Cobber comes pre-programmed with 8 modes, plus it’s compatible with the ModeMaker app so you can customise your light modes.



Cobber comes with a tool-less removable silicone straps for bars and seat posts 22 – 32mm+ diameter and a magnetic mount. A large strap is also provided that will fit tubes and head tube profiles with a circumference of up to 200mm. Cobber comes with a standard and Aero mount.


No charging cable is required for your Cobber, its integrated USB plugs directly into USB ports. It has a charge time of 5.5 hours. When your Cobber is running low on battery, a red ring will light up around the button. This ring will turn green and then turn off once the Cobber is fully charged and ready to go.

Dimensions: H 22 x W 33 x L 93mm

Weight: 62 grams

Charge Time: 5.5 hours

Lumens: Rear 270 | Front 470  

  Rear Light Front Light
Mode Lumens Run Time Lumens Run Time
Max  160 2 280 2.5
Mid 60 3.5 100 5
Steady Pulse 270 2.5 470 3.5
Flash 270 6.5 470 9
Rolling Flash 110 5.5 190 8
Side Flash 170 2 280 3.5
Disco Flash 140 5 230 7
Eco Flash 15 100 35 120

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