what is the benefit of using a dynamo light on a bike?

Answer 1

If you are in the uk there is a big disadvantage- they are actually illegal because all your lights go out when you stop.

Secondly there are numerous lcd lights on the market that run for up to 150 hours on a set of aaa batteries, cost about £4. They are more effective and efficient than dynamo lights.

Answer 2

The benefits are:
1. No batteries to run out and be disposed of or recharged. It is amazing how they always run out just when you really need them.
2. If you get a hub dynamo the effect on the bike speed is very very small and it don't get stolen.
3. You never forget it. I get caught out staying late at work and it being dark. I don't want to carry a set of battery lights everywhere.
4. A dynamo and lights don't get stolen as easily as battery lights which are mostly designed for easy removal. I often forget to take battery lights off when in a hurry.

There are downsides of course. The weight is a bit more, they cost more initially and, unless they are an expensive set, when you stop moving they go out.

Answer 3

As compared to battery light, it is less expensive though it will affect the front tire a little bit. Using a dynamo light it will prevent you run-out the light, while using battery you might have your battery exhausted during the travel in the night. A dynamo light look more classy and elegant.

Answer 4

There isn't really. With the small weight of batteries and newer light assemblies, there's no reason to put up with the drag that a dynamo puts on the tire.

Answer 5

Well, a dynamo is just a generator. A light is a light.

So, if you would like to be able to see well ahead of you at night while riding your bike you could use one of these.

You might also use a battery operated light.

Answer 6

The dynamo is " ALWAYS " there, while any battery will deteriorate- best combination is a rechargeable battery or a CAPACITOR, so that you charge it up with pedalling, and then it stays bright for a long time, including comming to a stop.

Answer 7

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Answer 8

the only benefit of using a dynamo is the fact that you know you are helping to save the environment by not using (toxic time bombs, full of chemicals and heavy metals)... batteries, pedal power, :D

Answer 9

Not a good idea, get a rechargable light as I do, they're much better, dynamo lights suck too much drag, slows you down.

Answer 10

i agree with the other answerees there are several long lasting ultra light led headlights, tail lights and spotters. a dynamo will fail due to a bent piece of metal b4 the LED lights.