Questions tagged [lighting]

Front, rear, and side lighting for your bike as well as helmet lights. Incandescent and LED lights. Dynamo hubs, rechargeable batteries, and step-down circuits from ebike batteries are also included as long as they result in the production of light.

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112
votes
5answers
34k views

Safety data: Which is safer, head/tail lights which blink or emit a steady beam?

My head and tail lights can be set to blink or emit a steady beam of light. I usually set my rear (red) light to blink, because I believe it makes me more visible at night. My friend argues that it ...
23
votes
4answers
7k views

Does it make you safer to use lights during the day?

My bike light, the Cygolite Metro 360, has a "Daylighting" mode which flashes very brightly and is intended to be used during the day. Similarly, many tail lights have flashing modes. Obviously one ...
18
votes
10answers
3k views

Bike Lights: Helmet Mounted or Handlebar Mounted

I am just curious, I use handlebar mounted lights, and since I have multiple bikes to switch, it's a lot of trouble changing the light from one to another. So, I am thinking of switching to helmet ...
53
votes
4answers
7k views

Does a helmet-mounted light affect the safe functionality of the helmet?

I am currently testing a bunch of lights for my (slowly) upcoming head lights review. Several of the lights can be mounted to a helmet using a mounting strap, like this: I'm wondering if having a ...
9
votes
2answers
2k views

Are there Dynamo powered, rear flashing lights? [closed]

I run a SON hub dynamo and have recently upgraded my front light (the old light and the dynamo are ~10 years old). The new one is much brighter than the old and has a USB outlet for charging stuff, so ...
14
votes
4answers
3k views

Are revolights a good idea?

I've recently seen this: http://www.kickstarter.com/projects/revolights/revolights-join-the-revolution?ref=spotlight Basically it's leds on the wheel + a timing mechanism + persistence of vision ...
13
votes
5answers
5k views

Using hub-dynamo for both lights and charging, with priority on lighting

I currently have a Supernova E3 Pro powered by a Shimano hub generator, and I would like to add the ability to charge USB-powered gadgets. My main concern, however, is that simply wiring up a charger ...
10
votes
4answers
1k views

Choosing lights for my bike

I recently bought a bike and I'm looking at getting some lights for riding at night. I live pretty well lit city so I would just want them to make me more visible to drivers. What kind of things ...
20
votes
6answers
8k views

Should unconventional colors be avoided for lighting?

Red/amber lights in the rear of the vehicle, white lights, in front of it: that is the good old convention and certainly switching their places is a bad idea. A quick search, however, shows other ...
10
votes
6answers
1k views

Pedal-powered head/tail lights

I'm planning to get a pair of pedal-powered head & tail lights to get my husband as a gift. He commutes ~11mi roundtrip every day to/from work. In summer, he rides a Cannondale touring bike. In ...
5
votes
2answers
2k views

Are there LED based dynamo powered lights suitable for night time MTB riding on singletrack?

Are there LED based dynamo powered lights suitable for night time MTB riding on singletrack? Likely they would need to have: High Brightness, likely 500 lumens or better. Not sure how that translates ...
4
votes
1answer
206 views

How do you repair or lengthen a B&M Luxos Control Cable?

Maybe this would be better off in electronics, but since it's bike gear specific, I thought I'd try here first. I need to have longer control cables on B&M's Luxos U headlight/charger combo. This ...
26
votes
2answers
5k views

Are Penny-Farthings Legal to Ride on Public Roads (UK)

Are Penny-Farthings legal to ride on public roads in the UK? Note: For laws regarding riding Penny-Farthings on public roads in other countries-ie "US" or "EU"- please start a new ...
10
votes
2answers
5k views

Can I legally use front facing blue light in the UK?

I have a white front-facing light and a red light at the back. However, I was wondering if I could add the blue light at the front as well from a legal standpoint. Whether it is flashing or constant ...
10
votes
8answers
2k views

What are your country's rules or regulations for the colors of reflectors or lights?

Many countries have rules or regulations that specify what color your lights (headlights or rear lights) or reflectors must be. What are they? In your answer, please note the country (and state, if ...
5
votes
4answers
3k views

Turn signal lights for bikes

I am interested in buying turn signal lights for bicycles. I read something about here and in other websites, but I did not find answers for the following questions: For the point of view of a driver,...
4
votes
5answers
840 views

Can I get a bright rear light using AA batteries, or is there a compelling reason why nonreplaceable batteries are so widespread?

The short version: I like the convenience and the ecology of using rechargeable AA/AAA batteries in a rear light. Yet the rear lights using AA batteries I see on the market have puny power. Does ...
4
votes
2answers
448 views

How to correctly align "be seen" lights

My "be seen" bicycle light is bar mounted and has to be reattached every time I jump on the bicycle, due to theft risk. How do I determine when it is correctly aligned? In particular how are "be ...
3
votes
3answers
2k views

How to correctly align "to see" bicycle lights?

My "to see" bicycle light shifts out of position. While I need to fix it (fork bridge mounted dynamo), how do I determine when it is correctly aligned? In particular how are "to see" lights ...
3
votes
1answer
667 views

Trailer Lighting Using a Dynamo Hub [closed]

I have a B.o.B. Yak trailer which uses a ISO 305 mm BSD rim. I'd like to build up a wheel for the trailer using a dynamo hub (perhaps a Sanyo H27) so that I could have lights on the trailer. I know I ...
2
votes
1answer
600 views

Dynamo Lighting Systems

I'm thinking about ways to put a tail light on my trailer (a B.o.B Yak). Our primary use for the trailer is carrying dogs and running errands around town – so I really like the idea of having lights ...