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Old 02-14-25 | 05:53 AM
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Tourist in MSN
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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.

Originally Posted by UnCruel
If so, then that would reduce my measurements by a factor of 100 (the inverse square law). 20 to 40 lux at 10 meters would be pretty bright compared to the little tail light I tested with.
I have all the light I need to see where I am going at night in the country where there is no other lighting with an older B&M IQ-XS headlamp that was rated at 70 lux, now the newer ones of that model are rated at 80 lux. I have these on two bikes.

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