Kwijybow
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Well there is still a trade off between brightness, and runtime. For a ride in the dark of a few hours this is not a problem. But to be able to run all night, or at least half a night without changing batteries, you have to run at a dimmer light level. It is very reassuring to be able to pedal all night in the middle of nowhere and not worry about running out light. I still have a single light as a backup in case something fails however. Also it can be a real pain to charge batteries constantly for commuting. Also rechargeable batteries, even AA's do not last forever, and often as with tires, the wear and tear take them out of service early. Also the battery lights I have been running, while nice, are also subject to wear an tear and road vibration. Contacts have to be cleaned regularly, threads get worn out etc. Always having a generator and a light on the bike is nice from a planning and maintenance standpoint. A generator hub is a luxury really, not a necessity, but they are valid reasons for prefering them. I have some desire to do a 1000-1200K in the future, and it will be nice to have the light situation covered. -- Nelson.
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