KNOG Blinder 900
Knog Blinder 900 Bike Light User Manual
Model: Blinder 900 (Part No. 13301)
Introduction
The Knog Blinder 900 is a high-performance bicycle front light designed for optimal visibility and safety. Featuring a robust CNC construction, 900 lumens output, and versatile light modes, it is suitable for various cycling conditions. This manual provides essential information for setup, operation, maintenance, and troubleshooting to ensure the best experience with your Blinder 900.

The Knog Blinder 900 Front Bike Light, showcasing its compact design and powerful LED array.
Package Contents
- Knog Blinder 900 Front Bike Light
- Handlebar Mount
- GoPro Mount
- USB-C Charging Cable

Included mounting options: a GoPro-style cam lock mount and a tough rubber strap for handlebar attachment.
Setup and Installation
Mounting Options
The Blinder 900 comes with two primary mounting options: a tough rubber strap for handlebar mounting and a GoPro-style cam lock for under-computer mounting.
Handlebar Mount Installation
- Select the appropriate rubber strap for your handlebar diameter.
- Attach the light to the rubber strap mount.
- Securely fasten the strap around your handlebar, ensuring the light is centered and facing forward. The mount allows for over or under bar placement.
GoPro Mount Installation
- Attach the GoPro-style adapter to the Blinder 900.
- Secure the light to any compatible GoPro mount on your bike, typically under a bike computer mount.

The Knog Blinder 900 mounted on a bicycle handlebar, illustrating its adjustable position and side visibility windows.
Operating Instructions
Power On/Off
Press and hold the power button located on the top of the light to turn it on or off.
Changing Modes
Briefly press the power button to cycle through the 6 pre-programmed light modes (e.g., High, Medium, Low, Pulse, Strobe, Eco Flash).

Illustration of the Blinder 900's powerful 900-lumen beam and its various light modes for different riding conditions.
Battery Indicator
The intelligent LEDs on the button conveniently display the battery level and charge status. Refer to the light's specific LED patterns for detailed battery status.
Charging
The Blinder 900 is USB-C rechargeable. Connect the provided USB-C cable to the light's charging port and to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging progress.

The USB-C charging port of the Blinder 900, highlighting its convenient and modern charging capability.
Official Product Video
This video provides a visual overview of the Knog Blinder 900 Front Bike Light, showcasing its design, features, and operation. It highlights the light's powerful illumination and compact form factor.
Maintenance
- Cleaning: Wipe the light body and lens with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Storage: Store the light in a cool, dry place when not in use. For long-term storage, ensure the battery is partially charged (around 50%).
- Water Resistance: The Blinder 900 has an IP67 waterproof rating, meaning it is protected from immersion in water up to 1 meter for 30 minutes. Ensure the USB-C port cover is securely closed to maintain water resistance.

Close-up of the Blinder 900, emphasizing its robust CNC machined aluminum housing and IP67 waterproof rating.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is depleted. | Charge the light using the USB-C cable. |
| Light flickers or dims. | Low battery or loose connection. | Recharge the battery. Ensure the light is securely mounted. |
| Light falls off mount. | Mount not securely fastened or incorrect mount used. | Ensure the rubber strap is tight or the GoPro mount is properly latched. Verify compatibility with your bike setup. |
| Charging not working. | Faulty cable or power source. | Try a different USB-C cable or power adapter. Ensure the charging port is clean. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | Blinder 900 |
| Part Number | 13301 |
| Brightness | 900 Lumens |
| Light Modes | 6 (High, Medium, Low, Pulse, Strobe, Eco Flash) |
| Power Source | USB-C Rechargeable Battery (Best-In-Class 21700 3.7V Lithium Ion Battery) |
| Runtime (Full Brightness) | Up to 2 hours |
| Runtime (Eco Flash) | Up to 120 hours |
| Water Resistance | IP67 (100% Waterproof) |
| Material | Aluminum, Silicone, Plastic (Robust CNC construction) |
| Weight | 167 Grams |
| Mounting Type | Handlebar Mount, GoPro Mount |
| Color | Black |
Warranty and Support
The Knog Blinder 900 comes with a 2-Year Warranty from the date of purchase, covering manufacturing defects. For warranty claims, technical support, or any inquiries, please contact Knog customer service through their official website or authorized retailers.
For more information, visit the official KNOG Store.
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