Joined: Jan 2009
Posts: 44,345
Likes: 6,643
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
I have a Cygolite taillight that claims 350 lumens. But it's thicker than 3/4". It works quite well. Sometimes I have to futz with it to make it dimmer, when a cyclist needs to follow me.