Big Cobber Rear Bike Light
Lumens are a measure of the total amount of visible light from a light source. The higher the lumen rating the “brighter” the light will appear.
The Big Cobber Rear Bike Light produces an incredible 330° of light, so you’ll be clearly seen from behind as well as from both sides. It’s brilliantly effective at attracting attention day and night, making it one of the safest lights you could choose.
The Big Cobber Rear Bike Light produces an incredible 330° of light, so you’ll be clearly seen from behind as well as from both sides. It’s brilliantly effective at attracting attention day and night, making it one of the safest lights you could choose.
18 factories told us Cobber would be impossible. We were happy to prove them wrong.
- Incredibly bright 270 lumens
- Up to 100 hr runtime
- Incredible 330° beam angle
- Quick mount release
- Waterproof to 1 metres with an IP67 rating
- USB rechargeable, cable-free charging
- Pre-programmed with 8 light modes
- Customisable modes with Knog's Modemaker app
- Compatible with standard & aero seat posts
| MODE | LUMENS | RUNTIME |
| Max |
160 | 2 hrs |
| Mid | 60 |
3.5 hrs |
| Steady Pulse | 270 | 2.5 hrs |
| Flash | 270 | 6.5 hrs |
| Rolling Flash | 110 | 5.5 hrs |
| Side Flash | 170 | 2 hrs |
| Disco Flash | 140 | 5 hrs |
| Eco Flash | 15 | 100 hrs |
Please note products are sent from Melbourne, Australia*.
Australia
Free standard shipping over A$100
Standard A$8 | Express A$12
New Zealand
Free standard shipping over A$150
Standard International A$20 | Express International A$30
Europe
Free standard shipping over €100
Standard International €15 | Express International €25
Asia + Canada
Free standard shipping over US$100
Standard International US$15 | Express International US$25
United States
Shop at Knog's US store for free and fast delivery.
United Kingdom
We don't send direct, but you can order from our UK distributor Freewheel or search for a local retailer.
* International orders may be subject to additional customs and duty charges to be paid by the receiver. Knog has no control or liability here.
Returns & Exchanges
We stand behind everything we make and want you to be happy. If for any reason you're not satisfied with your purchase, return it within 30-days for a full refund. For more information, please see our Returns & Warranty page.
Customer Reviews
While most lights provide visibility from a “head on” signal direction, the Knog Cobber light is visible from the left, right and rear… 330 degrees! The Big Cobber rear light provides a whopping 270 lumens of brightness, rendering undeniable visibility during both the night and day time hours. Furthermore, the long lasting charge keeps the light flashing for 5-6 hours at a time, which is great for my long epic rides!
I do most my riding during the day.
The BIG COBBER REAR BIKE LIGHT gives me the confidence that I won't blemd into tge back ground and that I will be clearly seen.
True peace of mind.
I use the Big Cobber Rear Bike Light to commute on the road in the countryside and I feel really safe with it. I had the following small problem on a rainy day: small stones came to block the button and made the product unusable. With the vacuum cleaner I was able to unblock the button.
great light, love all the different modes and makes me feel safe riding at night!
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