Joined: Aug 2010
Posts: 12,727
Likes: 2,105
From: Madison, WI
Bikes: 1961 Ideor, 1966 Perfekt 3 Speed AB Hub, 1994 Bridgestone MB-6, 2006 Airnimal Joey, 2009 Thorn Sherpa, 2013 Thorn Nomad MkII, 2015 VO Pass Hunter, 2017 Lynskey Backroad, 2017 Raleigh Gran Prix, 1980s Bianchi Mixte on a trainer. Others are now gone.
To put things like Lumens into perspective, I used to commute on a motorcycle years ago before I retired, the H4 headlamp was somewhere in the range of 1200 to 1500 lumens on low or high beam. That was not great at night at highway speeds, but it was adequate for 60 mph.