Thread: The weight of adding a shimano dynamo hub?
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Old 03-22-14 | 01:11 PM
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Giant Doofus
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From: Memphis, TN
Originally Posted by Lex Fati
While the "bigger is better" marketing is certainly true, the numbers can be misleading. The big 1500 number drops down fairly fast when converting to actual lux output, just as the much smaller lux numbers increase dramatically when converting to lumens. Many consumers don't look this far, though.

Lumens to lux (lx) conversion calculator

Lux to lumens (lm) conversion calculator
Great links! I'm trying to figure out what is reasonable to put into the "enter surface area" or "enter spherical radius" area. This is the surface area I need illuminated to ride safely, right? Any suggestions for someone who rides at about 12 mph through decently lit city streets?
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