Originally Posted by
Geordi Laforge
no, they're not actually.
if you ride in the city with streetlights galore, you'll need a more powerful light to be seen by cars.
guess what? drivers cannot see you.
They can see me plenty. I wouldn't waste my time with anything less, nor is anything more necessary. With streetlights galore they can already see me. The point is to stand out from, say by flashing, rather than compete with the streetlights. I hazard a guess that a streelight is probably more powerful than anything you can strap onto a bike.