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Questions tagged [led-lights]

LED lights for bikes: front, rear and otherwise; bike and body fitted; battery and dynamo powered and all the rest.

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1 vote
1 answer
45 views

What are easy connectors for ebike lights cables?

Yesterday I went back to my office bike shelter to discover the light mounting tab is broken, so I can see very well what is lying on the right side of the road, but not the road itself. Luckily, a ...
9 votes
2 answers
804 views

Advice on hub-driven rear lights

I've had my Cube Travel Pro for a few years now, and it's been well used in all sorts of weather (it's my commuter so it's covered in road gunk). It has hub-powered front and rear lights which has ...
8 votes
1 answer
950 views

Dynamo hub lights flickering: should I be concerned?

I've gotten some new lights for my bicycle this Christmas and just bought a matching dynamo hub wheel for them. I've removed my old wheel and put the new wheel in the fork and attached the lights just ...
7 votes
12 answers
5k views

Is there a bicycle light which is hard to steal or very portable?

I was out with my gravel bike the other night and I didn't thought it would be dark before I would be back. So I didn't bring my attachable lights because its kind of big and bulky. Is there a ...
1 vote
2 answers
126 views

Can I turn the light of my ebike permanently on in the shimano etube project settings?

The little button on my headunit SC-E6010 broke while light was switched off. Now lights are off. I know that once they are on, and you turn the bike off and back on, light will be on again. So if I ...
5 votes
2 answers
920 views

Do hub dynamos with higher power output exist?

I know there are dynamos with 3 W as the highest output, but are there commercial dynamos available with even better effect? See, I don't mind pedaling with a bit more drag if I can get better ...
5 votes
1 answer
219 views

How do I securely fix a string of LED lights to a power source?

My context is that I have a cargo trike (Babboe Curve). Especially in the winter dark, some car drivers mis-identify it as a bicycle and pass it too close. My solution to this was to fit a string of ...
21 votes
6 answers
8k views

Night cycling: Is it worth using electroluminescent wire?

It's currently winter in the UK, so for my commute to and from work I need lights and reflective surfaces for safety. I've read about local people losing their lives cycling, so I want to make myself ...
3 votes
6 answers
3k views

150 VS 300 VS 450 lumen rear light for daytime use

Which one would be good for riding in daytime especially when it's sunny?
9 votes
1 answer
1k views

Has anyone successfully changed the battery in a Knog Blinder Mini Dot?

I have a pair of Knog Blinder Mini Dots which were left with their non-user-replaceable LiPo batteries flat over winter and now won’t take a meaningful charge. I’m handy with a soldering iron but less ...
0 votes
3 answers
88 views

Lights that don’t use o-rings [closed]

I’ve looked through this site and couldn’t find a question asking the same. Sorry if this is a duplicate. Also, apologies as I’m posting on phone. Are there any bike light sets that don’t rely on the ...
7 votes
3 answers
7k 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 ...
0 votes
1 answer
2k views

How reliable is the "smart" brake detection on a $20 tail light? [closed]

Here are some "smart" tail lights I found on Amazon: Having the same looks, prices, description grammar, no-name random "brand" names and sometimes even stock photos and videos, ...
1 vote
1 answer
810 views

Running multiple dynamo lights on a single dynohub

I have a Shutter Precision PD8 hub, and a B&M headlight. I happen to have a spare B&M headlight of a different model in my parts bin. I'm thinking about putting the second light on just to ...
1 vote
2 answers
2k views

How to remove rechargable LED SI Urban integrated light strip from cannondale bad boy

I have the Cannondale Bad Boy and the LED lights are almost dead, I need to recharge it but can't figure out how to remove the lights from the handlebars to charge them. Here are the type of lights ...
0 votes
0 answers
69 views

Vya taillight won't go out

I have a Light and Motion Vya Taillight which won't turn off when removed from mounting socket. I've wiped down the contacts. Is there anything else to try?
2 votes
4 answers
841 views

LASER bicycle lights

Is there any reason there are not yet LASER bicycle lights, given some cars already have them? It makes more sense in bicycles, has they have not a 12V bulky battery like a car, and are more energy ...
14 votes
7 answers
17k views

Stopping interference between LED lights and wireless cycling computer

My LED lights seem to be causing my wireless cycling computer to not pickup the signal (suggested by the manufacturer and verified through tests at home). What strategies/options are there for ...
8 votes
6 answers
1k views

Using an LED torch as a helmet light, will I blind oncoming drivers?

I'm planning on buying this LED Torch with this helmet mount. Could I blind oncoming drivers?
11 votes
6 answers
10k views

Bike lights with beam cut-off to avoid dazzling drivers?

Are there any bike headlights available that have a cut-off similar to a car's low beams, designed to avoid glare for other drivers? I am using the Light in Motion Urban 400 and while it's plenty ...
7 votes
5 answers
3k views

Reflective tape instead of rear reflector, in Australia

I currently have not enough room on my seat post for a saddle bag, rear reflector and a rear light. My question is if replacing the rear reflector with reflective tape on the saddle bag would be ...
8 votes
3 answers
5k views

Why doesn't my (battery-powered) light work in the cold?

I've got a cheap LED lamp running on three AAA NiMH batteries which stops working when exposed to near-freezing temperatures; is there a likely reason for this? The lamp has been dropped a number of ...
2 votes
2 answers
1k views

Front light that "pulses"

I'm planning to start using my bicycle again for commuting and need to get a new front light (I'm in Australia, so it's dark early in the evenings at the moment). I've seen a few in use by other ...
14 votes
4 answers
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 ...
3 votes
2 answers
729 views

AC dyno light on battery pack?

I'm running a Supernova E3 PRO 2 of my dynohub. However I would like to use my non-dynohub front-wheel whilst still being able to use the same lights on battery power. The lights have an internal AC/...
9 votes
3 answers
2k views

Flashing light when pushing bike with (constant) low speed

When someone pushes his bike beside him in a constant (low) speed the light will not be at constant (low) brightness, instead it will flash with it's full brightness. Why does it work like that?
1 vote
2 answers
1k views

Is it legal for cyclists to use amber bike flashers for visibility (in BC, Canada)?

Amber bike lights can improve daytime visibility. This makes sense because white light looks similar to sunlight and amber light stands out more clearly. Being seen sooner means that drivers have more ...
1 vote
2 answers
1k views

Hub dynamos and standlights

I've been searching for the answer to this for a while now and still none the wiser so trying on here... I've recently bought a second hand hub dynamo and am looking to get some used lights to go ...
-1 votes
2 answers
1k views

I am looking for a cable mounted brake light switch [closed]

Cable mounted brake light switch anyone?
5 votes
3 answers
431 views

Conceptual: Bike Lights built into Grips

I am a design student and avid cyclist and am currently working on a design project for school. I had an idea for locking handlebar grips that have LED lights built into them. If you can picture MTB ...
2 votes
1 answer
158 views

Installing Schwinn Vestige frame LED cable

I read a post (Daniel and Jennifer) from a couple of years ago explaining that the Vestige frame LED should be replaced if it is no longer working. Thanks for that. Now, I'm seeking tips, a guide or ...
1 vote
1 answer
118 views

Shimano Hub LED lights working sporadically

My Shimano hub lights are not working correctly. All help greatly appreciated. First time I've had a bike with lights like this. Specifically, the rear works all the time. But the front is ...
2 votes
0 answers
299 views

Magicshine MJ-872 disassembly

My light doesn't seem to work well, after 15 minutes of work it starts to switch to lower settings and shutting down. My guess is that I need to add the thermal paste that might be quite old (3+ years)...
5 votes
4 answers
4k 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,...
2 votes
2 answers
1k views

My Serfas USL-5 raider usb headlight failed after rain, should I attempt user service?

I own a Serfas USL-5 raider usb headlight. This failed after very heavy rain, the blue charge light lights, but the switch won't produce light? What should I do.
7 votes
2 answers
6k views

How to check your dynamo system?

I just bought my first hub dynamo (Shutter Precision PL-8) with dynamo headlight (Busch + Müller Lumotec IQ2 Eyc N Plus). After installation I figured out that light is not working. How to determine ...
5 votes
6 answers
560 views

How helpful are neon/led lights on the rims, while riding at night?

Recently I saw few cyclists at night with blue neon lights attached to the spokes on their rims. They just kept one each at the back, so it wasn't that effective. But having at least 2 of such ...
2 votes
1 answer
314 views

LED headlight eating away at power output of USB charger

I have the following setup: Shimano DH-3N72 hub dynamo cycle2charge.de USB charger LED headlight and taillight, both capacitor-backed The headlight and USB charger are both directly attached to the ...
2 votes
6 answers
3k 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 ...
1 vote
1 answer
665 views

Right fork mounting point

I was given an old racer frame and some parts which I am converting into a single speed commuter. The front right fork has a small toothed mounting point, it looks a bit like it could have held a ...
1 vote
5 answers
2k 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 ...
3 votes
2 answers
6k views

How are hub dynamo lights wired and why does a rear light cause the front to come on?

I have a bike with a Shimano hub dynamo, a B&M Cyo switched LED front (LED) light, and a B&M D-Toplight rear (LED) light. With the rear light disconnected, things work as I expect: When ...
3 votes
2 answers
374 views

Data to convince teenager that blinking rear light is worth the "uncool" factor [closed]

I've read the topics on flashing vs. steady lights, but my question is even more basic: Is there any data to support my contention that a flashing rear light will significantly increase the safety of ...
3 votes
2 answers
2k 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 ...
10 votes
4 answers
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 ...
5 votes
4 answers
850 views

How do you prevent your lights switching on in your bag?

Since it's mostly light here these days, and I don't want to leave my lights on my bike to disappear into someone else's schwag bag, I've been carrying my lights in my bag just in case, but not using ...
7 votes
2 answers
2k views

Where to find a good bicycle-trailer lighting system...in Canada

We have a child trailer (like this--link has better side/rear view but requires flash) and want to be seen by cars when biking at night. The little red blinking bike lights available in our area are ...