Knog Light Blinder Mob V 4 Eyes Rear. The Light Blinder Mob V 4 Eyes Rear light is so named because it involves 4 LED lights that can emit up to 44 lumens of output. The 35-degree focused beam allows you to stay seen from up to 1.2km away. A fantastic urban commuter rear light Bike Mount System. Knog provide with this rear light a tool-less mounting system that is quick and easy to attach to your bike and then even quicker and easier to attach your bike light to. The mounting system comes in the form of two removable silicone straps that will securely mount your light to any bar/ post with a diameter of 22-32mm. This will fit all standard, aero and oversized bars and posts Features. 35-degree angle beam100% waterproofUSB rechargeableLED lights4-5hrs charge timeIncludes tool-less bike mountBuy Knog Lights from Chain Reaction Cycles, the World’s Largest Online Bike Store.