The knog blinder mob mr chips rear light so called because of the chips on board cob led tech this light uses to give off its superior glow perfect for all traffic scenarios ie cars coming at you from the side or to soften the glare from your mate39s rear end in the peloton with its 120deg beam and reflective faceplate mr chips makes sure you are seen not just from the front amp rear but from the side too this bright bike lights long run times and lumen output of 80 lumen