Originally Posted by
fietsbob
German B&M make a nice tidy 4 red LED set, each on a wire that lays in a rear vent hole in your helmet ,
with the coin battery compartment on the strap. ..
I have that on my helmet, the B&M Topfire. It weighs less than 20 grams, I don't notice it at all.
I wouldn't use it as a substitute for a real tail light, but it makes for a nice complement that gives me some vertical size in the dark.
Originally Posted by
fietsbob
low fred setup.
My fredliness is so massive, that the Topfire does nothing to diminish it
