The Knog Cobber Reflex Rear Cycling Light combines powerful output, wide-angle visibility and intelligent lighting technology for confident cycling. Featuring a stated maximum output of 300 lumens, 170° light coverage, motion-responsive Reflex technology, USB-C recharging and IP67 waterproofing, it is designed to help riders stay visible in changing conditions.
Key Features
Up to 300 lumen output – Powerful rear illumination designed to improve rider visibility
170° beam angle – Wraparound light coverage helps you remain visible from behind and the sides
Knog Reflex technology – Intelligent lighting modes respond to movement and riding conditions
Motion-activated deceleration mode – Provides a visual signal when slowing down
Automatic on/off functionality – Convenient operation based on riding activity
Dynamic tilt mode – Adjusts lighting behaviour in response to changes in riding position
USB-C rechargeable – Convenient charging without disposable batteries
Multiple lighting modes – Choose between steady and flashing settings
IP67 waterproof rating – Designed to withstand wet weather and demanding riding conditions
Secure tool-free mounting – Quick and straightforward installation without additional tools
Extended battery runtime – Up to 70 hours in Eco mode
Front light compatibility – Combined with a Cobber Reflex Front Light, provides a stated 330° of light coverage
Compact black design – Clean, practical styling for a wide range of bicycles
Rechargeable battery – Reliable power for regular commuting and road cycling
Lighting Modes & Battery Runtime
High Mode – 75 lumens with up to 2.5 hours runtime
Low Mode – 20 lumens with up to 8 hours runtime
Hype Mode – 250 lumens with up to 8 hours runtime
Eco Mode – 20 lumens with up to 70 hours runtime
Maximum Advertised Output: 300 lumens
Maximum Listed Runtime: 70 hours
The Knog Cobber Reflex Rear Cycling Light is ideal for commuters, road cyclists and everyday riders who want powerful visibility with intelligent features. With wide-angle illumination, motion-responsive lighting, USB-C charging and waterproof construction, it offers a practical way to stay more visible on busy roads, darker commutes and longer cycling adventures.