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69
votes
5answers
13k 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 ...
40
votes
3answers
2k 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 ...
24
votes
7answers
4k views

How to give away lights to cyclists without lights?

My objective is simple enough... I want people to be safe when out riding. Too often on my way to work I often see cyclists in the dark and rain without lights. When I see them I try and offer them ...
18
votes
4answers
4k 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 ...
15
votes
10answers
2k 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 ...
14
votes
3answers
2k 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 ...
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 ...
9
votes
2answers
2k 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 ...
8
votes
6answers
370 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 ...
8
votes
7answers
5k 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).
8
votes
4answers
3k 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 ...
7
votes
2answers
829 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 ...
7
votes
1answer
550 views

Bottle dynamo wiring a headlight and taillight on 1980s bike

I'm restoring a 1980 DBS Winner bicycle, and I'm having trouble wiring the dynamo to the headlight and taillight. As a disclaimer, I know very little about electricity and wiring. The dynamo has two ...
6
votes
5answers
880 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 ...
5
votes
10answers
3k views

Why are brake lights not common?

I spent a fair bit of time riding in the lane, in traffic. In this situation, it seems that a brake light would be very useful: It's not always obvious when the vehicle ahead of you is slowing down, ...
5
votes
1answer
84 views

Which front and rear lights can run while charging?

I have a 52V battery pack on my krampus, which I use for commuting to work. I plan on buying a DC-DC converter with two USB outputs to run headlight and taillight. So my requirements are mostly to ...
4
votes
4answers
904 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, ...
4
votes
2answers
1k 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
6answers
1k 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 ...
4
votes
2answers
263 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
118 views

Lamp holder for bicycle stem

Is there any lamp holder for the bicycle stem? The normal 360º degrees spinning lamp holders do not work, because the stem is slightly top-wards inclined. Bike stem Normal lamp holder
3
votes
3answers
964 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
172 views

How should I configure my tail-lights?

I currently own a Cygolite Hotshot which I use with a rack mount in flashing mode. I also have a PDW The red planet which I keep on steady burn. I wanted something brighter than TRP so I ordered a ...
3
votes
1answer
141 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 ...
3
votes
3answers
342 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 ...
3
votes
2answers
255 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 ...
2
votes
3answers
453 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 ...
2
votes
6answers
2k 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 ...
2
votes
3answers
530 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 ...
2
votes
1answer
174 views

Is my VIS 180 the 50 Lumen or 70 Lumen Version?

So, I bought a Light and Motion Vis 180 off of Ebay. The seller had a great rating and claimed it was in "new" condition, so I thought I'd go ahead and take a risk on it. What I got was a Vis 180 ...
2
votes
1answer
101 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 ...
2
votes
1answer
320 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. ...
1
vote
4answers
3k 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
5answers
199 views

Lighting for xtracycle hooptie

Does anyone have any lighting suggestions for our Xtracycle hooptie? We'd like to keep it very visible (precious cargo in there) especially when viewed from the side. Was thinking about an options ...
1
vote
5answers
1k views

How much light is enough for year round commuting?

I used a Cateye Single Shot for 5 years until it died. Now I use a Cateye Single Shot Plus that I picked up on Ebay for $50. It's noticeably brighter than the Single Shot, but with my new commute I'm ...
1
vote
2answers
286 views

How durable are the lights on a Vanmoof?

Can anyone report on how durable the philips lights built into the frame of a Vanmoof city bike are? I can't tell if being (partially) inside the top tube will protect them, or make them more ...
1
vote
3answers
3k 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 ...
1
vote
1answer
110 views

Computer Light For Nighttime Riding

I use a Wahoo RFLKT+ computer. It has a built in backlight for night riding, but to conserve the battery the light times out after a while (30 second default). Since I have a hub generator, I'd like ...
1
vote
2answers
270 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 ...
1
vote
1answer
45 views

How to replace a bottle dynamo with batteries

I have a bike using a bottle dynamo. It works ok but I just use the light when it's absolutely needed because the dynamo really slows down the bike. I would like to make the bike run with batteries, ...
0
votes
3answers
95 views

Is it worth wearing a headlamp when cycling as well as having a bar mounted light? [duplicate]

Most bike lights seem to be the bar / seatpost mounted variety. Is it worth also having a headlamp for riding? I go cycle touring, ride in the city and do mountain bike xc trail riding. I've got a ...
0
votes
2answers
614 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, ...
-1
votes
2answers
498 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.
-5
votes
3answers
886 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 ...