1. Introduction
The KNOG Mid Cobber Front Bike Light is designed to provide exceptional visibility for cyclists. It produces an incredible 330 degrees of light, ensuring you are clearly seen from all angles, which is crucial for safety, especially at intersections where a high percentage of accidents occur. This light packs 320 lumens, making it seriously bright and effective at attracting attention on the road.
Key features include efficient Chip on Board (COB) LEDs that maintain maximum brightness for up to 90% of the battery burn time, an integrated USB plug for convenient cable-free charging, and a 100% waterproof design to withstand all weather conditions. The light also offers 8 pre-programmed light modes and app customization for personalized settings.
Video Description: An official KNOG video demonstrating the features and operation of the Mid Cobber Front Bike Light, including its 330-degree visibility, brightness, and ease of use. The video shows the light in various cycling scenarios.
2. What's in the Box
Your KNOG Mid Cobber Front Bike Light package includes:
- Knog Mid Cobber Front Bike Light
- Small silicone strap (for 22-32mm diameter bars/seat posts)
- Large silicone strap (for up to 200mm circumference tubes/head tube profiles)
- Aero Mount
3. Setup and Mounting
The Mid Cobber features tool-less removable silicone straps for easy attachment to your bike's handlebars or seat posts. Two strap sizes are provided to accommodate various diameters.
Mounting Instructions:
- Select the appropriate silicone strap (small for 22-32mm diameter, large for up to 200mm circumference).
- Wrap the silicone strap around your handlebar or seat post and fasten the mount in place.
- Slide the light onto the mount, ensuring the integrated USB arm is aligned with the longer side of the mount for a secure fit.

Image Description: The Knog Mid Cobber Front Bike Light securely mounted on a bicycle handlebar, showcasing its compact and integrated design.

Image Description: An underside view of the Knog Mid Cobber Front Bike Light, highlighting the integrated USB plug and the attachment mechanism for the silicone strap.
4. Operating the Light
The Mid Cobber is designed for simple operation with a single button control.
- Turn On/Off: Press and hold the power button for approximately 1-2 seconds to turn the light on or off.
- Change Modes: Once the light is on, a short press of the power button will cycle through the 8 pre-programmed light modes.

Image Description: The Knog Mid Cobber Front Bike Light is shown brightly illuminated while mounted on a bicycle handlebar, demonstrating its powerful light output.
5. Charging
The Mid Cobber features an integrated USB-A connector, eliminating the need for a separate charging cable. It plugs directly into any standard USB-A port.
- Charging Process: Simply plug the light directly into a USB-A port on a computer, wall adapter, or power bank.
- Charge Time: A full charge takes approximately 4 hours.
- Run Time: The light provides a run time of up to 60 hours, depending on the selected mode.
- Battery Indicator: A red ring around the button indicates a low battery. When fully charged, the ring will turn green and then turn off.

Image Description: A detailed view of the integrated USB-A connector on the Knog Mid Cobber Front Bike Light, ready for direct plugging into a USB port.
6. Maintenance
To ensure the longevity and optimal performance of your KNOG Mid Cobber Front Bike Light, follow these maintenance guidelines:
- Cleaning: Wipe the light with a damp cloth to remove dirt and debris. Avoid using harsh chemicals or abrasive materials that could damage the casing or lens.
- Waterproof: The Cobber is 100% waterproof (IP67 rated), designed to withstand rain and splashes. However, avoid prolonged submersion.
- Storage: Store the light in a cool, dry place when not in use. If storing for an extended period, ensure the battery is partially charged (around 50%) to maintain battery health.
7. Troubleshooting
If you encounter issues with your Mid Cobber Front Bike Light, try the following:
- Light not turning on: Ensure the battery is charged. Connect it to a USB port for at least 30 minutes.
- Light not charging: Check that the USB connector is fully inserted into a working USB port. Try a different USB port or power source.
- Short run time: Ensure the light is fully charged. Extreme cold weather can temporarily reduce battery performance.
- Mounting issues: Ensure you are using the correct silicone strap size for your bike's diameter and that the mount is securely fastened.
If problems persist, please contact KNOG customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | KNOG |
| Model Number | 12191 |
| Light Output Maximum | 320 Lumens |
| Visibility | 330 Degrees |
| Number of Settings | 8 |
| Power Source | Battery Powered (1 Lithium Polymer battery included) |
| Charge Time | 4 Hours |
| Run Time | Up to 60 Hours |
| Water Resistance Level | IP67 Waterproof |
| Mounting Type | Handlebar Mount (Silicone Straps) |
| Item Weight | 32 Grams (1.13 ounces) |
| Product Dimensions | 2.44 x 1.69 x 1.1 inches |
| Color | Black |
9. Warranty and Support
KNOG products are manufactured to high standards and are covered by a manufacturer's warranty against defects in materials and workmanship. Please refer to the official KNOG website or your purchase documentation for specific warranty terms and conditions.
For technical support, warranty claims, or any product-related inquiries, please visit the official KNOG website or contact their customer service department.





