The Knog Blinder Square Rear Light delivers standout visibility and style in a compact, waterproof, and USB-rechargeable package. Emitting up to 100 lumens of bright red light through its distinctive square lens pattern, it ensures you’re clearly seen day or night — whether commuting through the city or riding after dark on open roads.
Designed for simplicity and reliability, the Blinder Square mounts securely with a flexible silicone strap that fits seatposts of all shapes and sizes, including aero designs. No cables, no fuss — just plug it straight into any USB port for convenient recharging.
Output: 100 lumens
Battery: USB-rechargeable lithium polymer
Run Time: 2.5–60 hours (depending on mode)
Charge Time: Approx. 4 hours (direct USB plug)
Mount: Silicone strap fits 22–40 mm seatposts (round or aero)
Water Resistance: IP67 (fully waterproof)
Dimensions: 43 mm × 43 mm × 46 mm
Weight: Approx. 34 g
Colour: Black
The Knog Blinder Square Rear Light is perfect for commuters and night riders who want a bright, highly visible, and low-maintenance rear light. With its striking square pattern and simple USB plug-in charging, it’s a stylish and reliable companion for every ride.
A good test ride is the most important factor when it comes to finding the right bike.
Available for Electric Bikes only and subject to availability.




