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13
votes
4answers
1k 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 ...
4
votes
2answers
160 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
669 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 ...
2
votes
3answers
159 views

Is this a good bike light? And should I give these people my money?

I was was checking out this bike light. It looks good enough for me. I (rarely) get lost on trails around dusk, but more importantly I commute - a lot by bike. I really just want to be seen. What ...
3
votes
4answers
234 views

Turn signal lights for bikes

I am interested in buy a turn signal light for bicycles. I read something about here and in other websites, but I did not find a answer for the follow questions: For the point of view of a driver, ...
3
votes
1answer
274 views

Are there Dynamo powered, rear flashing lights?

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 ...
4
votes
6answers
796 views

attaching seatpost acessories to rear of racks?

most night lights are designed to attach to the seatpost. but while carrying a bag on the rear rack that area get's blocked. some manufacturers sell cheap, awful, lights that attach to the rack ...
9
votes
7answers
941 views

Bike Lights: Helmet Mounted or Handlebar Mounted

I am just curious, I use Handlebar Mounted lights, and upon having multiple bikes to switch, its really uneasy changing the light from one to another. So, I am thinking of switching to Helmet Mounted ...
-1
votes
2answers
130 views

Advantages and Disadvantages of Bar light vs headlight. [duplicate]

What are the advantages of each setup. Obviously more is better :) but if you had to choose one, which would it be and why? The scene would be in a tight wooded single track.
2
votes
1answer
140 views

How to securely connect cable to AXA Quattro dynamo?

See the image: How do I securely attach the cable to the dynamo? I tried the obvious, threaded the cable through one of the holes in the plastic cover, and pressed the cover snugly onto the socket. ...
3
votes
3answers
265 views

Why do consumer battery powered LED lights fail mid ride

I've had consumer battery powered LED bicycle lights fail mid ride without the battery being at fault. This has been spread across brands, weather conditions, ride lengths. The most recent failure ...
9
votes
2answers
1k views

Are there any high power bicycle generators?

I have been searching for a generator or 'dynamo' (preferably one built into the hub) to run lights for night riding, but it seems that most are rated for only about 3W (presumably to meet German ...
2
votes
4answers
1k views

Brompton front light recommendations?

Can anyone recommend a LED front light for Brompton (S Type) that can remain attached when the bike is folded and works well for commuting in town? The folding causes problems in that anything ...
-5
votes
3answers
693 views

Do Mandatory Bike Lights at Point of Sale Save Lives? [closed]

In France and Germany there are laws so that new bicycles have to come with lights. Presumably the French and Germans thought that this would be a good idea for road safety and there must be some ...
30
votes
2answers
789 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 ...
0
votes
2answers
174 views

Lights wiring polarity and wire marking

I am re-wiring my bike lights to add a smartphone charger and improve the connections. Wires are going in pairs, one wire in a pair being marked with a white stripe. Since I am using LED lights, ...
2
votes
3answers
158 views

How can I run a dynamo wire from my front hub to my dynamo light?

I have a Pashley Roadster Sovereign, and wanted to upgrade the dynamo driven headlight. Sadly, I didn't successfully use the old wire to pull the new wire through the front fork, and now I need to ...
2
votes
4answers
782 views

Can you recommend a fixed LED headlight for a bike with a hub dynamo?

I have a Batavus Dutch bike for local commuting with a Shimano DH-2R30E 6 volt, 2.4 watt hub dynamo driving a halogen bulb headlight. The light provided is not very bright and I would like to know if ...
6
votes
3answers
2k 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 ...
1
vote
3answers
359 views

Bicycle lights- Indicating in the dark

I am a product designer and am currently working on a bicycle lighting project and would really appreciate your valuable feedback. In England, turning left on a bicycle is not really a problem as ...
3
votes
2answers
124 views

voltage of lighting system

I had a B&M ? brand (german make) rear bike 'standlight', removed the capacitor as I found it annoying when switching to a battery. Used a 6x cell AA 1,2v pack for awhile, with no issue. Upgraded ...
3
votes
2answers
641 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 ...
0
votes
3answers
1k views

What kind of tail lights can I attach to the rear of my rack?

Every taillight I've owned has mounted to the seat post, but when I load my rear rack the seatpost light is no longer visible. Instead, I'd like to mount a light to the rear of my rack, which has a ...
1
vote
2answers
199 views

Are there any light mounting products that is adjustable?

Let me try to explain my situation. We have three bikes. We probably have about 3 or 4 locations where we may leave the bike (home, work, parent's place etc.) We don't want to be carrying a light ...
7
votes
7answers
3k views

How can I make a glow bike?

How I can make my bicycle glow? As seen in this Blackberry commercial (with screen capture image below).
11
votes
2answers
1k 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 ...
6
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 ...
1
vote
3answers
1k views

Any thoughts on spoke lights? [closed]

I was considering getting some spoke lights to increase visibility at night, and although there are a number of options they all seems to have a relatively low battery life, or get bad reviews. Here ...