I don't think brightness itself is a problem at all. The issue is just where it's aimed.
Even relatively low power dynamo lights can easily blind cyclists and drivers. But a 4000lm light aimed at the pavement in front of the wheel won't blind anyone.
Dec. 22, 2022, 3:09 a.m. - Timer
I don't think brightness itself is a problem at all. The issue is just where it's aimed. Even relatively low power dynamo lights can easily blind cyclists and drivers. But a 4000lm light aimed at the pavement in front of the wheel won't blind anyone.