Questions tagged [headlights]

This tag is about forward facing lights on the front of a bike: on the handle bars; fixed to the front of the frame; on the forks and so on. It is not about lights worn around the head or on a helmet, but clearly the two cases are complimentary.

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5 answers
8k views

Is there any rule of thumb for comparing lights rated in lux and lumens?

Currently, I'm using a front light rated at 35 lux on my bike. This is just about bright enough for my riding, but I'd like something a bit brighter. However, most of the lights which might be ...
0 votes
0 answers
87 views

Considering an Upgrade: Mounting the Magicshine RN3000 on the RAVEMEN FR160 – A Practical Solution?

The RN3000 features an aluminum housing, contrasting with the plastic composition of the FR160. Why consider this configuration? Presently, my RN3000 is affixed to the MJ-627, yet it encounters ...
13 votes
3 answers
7k views

Red light facing forwards?

I was criticized for having a blinking red light facing forwards on my handlebars (in addition to a White headlight). What is wrong with this? It was nighttime in Manhattan. Isn't more always better ...
3 votes
4 answers
2k views

Why are there no/very-few bicycle-specific lights with replaceable 18650 Li-Ion batteries?

Most (higher end) battery-powered bicycle lights have built-in Li-Ion battery or a battery pack nowadays. There seem to be no front lights using replaceable 18650 cells. Rear lights with replaceable ...
114 votes
6 answers
37k 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 ...
10 votes
7 answers
2k views

General mounting solutions for lights etc

I am curious to know your best solutions for using lights and other accessories that mount to a proprietary clip, when the correct original fitment is not available. Why? I get a lot of lights and the ...
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 ...
5 votes
10 answers
6k views

Is it possible to get a light that is too bright?

This question is related to this recent question: Best ways to avoid getting hit by cars? I have a 750 lumens front head light - it's bright! Some of my riding buddies say it is too bright for the ...
4 votes
2 answers
1k views

Dynamo bike lights - unknown short circuit cause

I've bought and installed dynamo powered lights on my bike. A little bit about the setup - It's the bottle dynamo kind pressing against the tire system. The Dynamo produces current turning clockwise ...
7 votes
5 answers
3k 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 ...
21 votes
7 answers
15k views

Protecting bike attachments such as lights against theft

I was wondering what one could do to keep his bike attachments from being stolen. On Monday two lights were stolen off of my bike. I only had them for a day. It was the kind that has a rubber "strap" ...
2 votes
2 answers
998 views

Where is the light harness connection on Giant Roam E bike?

I gather that my Roam E has the wiring to enable me to add a light to run from the light switch on the controller. I have looked at various videos, but the set up on my Roam E is different. Does ...
1 vote
2 answers
6k views

How to tell if this light's bulb is blown? And what kind of light is it?

See photo. Is this a normal LED? I'm trying to troubleshoot it and can't tell if the bulb\diode is fine.
6 votes
4 answers
2k views

How can I attach Harbor Freight blue puck lights to mountain bike for front lights?

I have several of the free Harbor Freight blue puck lights - very bright. Any ideas how to attach to old 1st generation Specialized Hard Rock mountain bike ? I have one on now with reusable straps ...
7 votes
8 answers
2k views

How strong should lights be for a route partially in a city and partially outside city on a public road?

I'm commuting 3 days a week 20 km one way (40 km daily) on an e-bike in the UK. It takes around 50 minutes. Days are getting darker and I am about to buy a better light. I'm tempted to buy a 1600 ...
2 votes
2 answers
2k views

Longer pivot bolt for the front road brake?

On a roadbike, I want to mount dynamo front light on the brake pivot bolt bracket (because my handlebar is occupied with gadgets, and because I want to use the handlebar bag which obstructs the light)....
5 votes
3 answers
2k views

Do rotational-symmetric-looking front lights usually throw half their light into oncoming traffic? How To dinstiguish?

Many front lights look rotational symmetric, also pretty powerful ones (>500 lumen). Is that usually the case? Or are there many that only look like that, but are still constructed to produce a ...
6 votes
6 answers
609 views

Flying Pigeon brake pads - change or not

I bought a Flying Pigeon 2 weeks back and am having a lot of fun here in Singapore. The bike was kept in a pretty good condition by the seller although he used it exclusively for photo ops. This meant ...
4 votes
4 answers
7k views

How can I mount a small front light on my Garmin mount?

I only ride outside during daylight hours, but I like to use a small front flasher light at all times. My current light is the type that attaches to the handlebar with a rubber strap. I recently added ...
0 votes
2 answers
3k views

KNOG BLINDER ARC 5.5 battery replacement

Can anyone please tell me how I would go about changing the battery over in my light please!!! I have so far taken off the lens cover and have undone the 3 x 1.5mm Allen screws to release the outer ...
0 votes
2 answers
919 views

Why do my USB charging ports fail?

I've now had four USB rechargeable front bike lights fail due to the USB port. I plug in the USB micro cable and nothing happens. On one new Niterider light it worked only for a few days. On another, ...
10 votes
2 answers
4k views

Fortified Bicycle appears to gone out of business -- where to get one of their replacement bike light batteries?

One of the two rechargeable batteries that go with my Fortified Bicycle's lights appears to have started to die permanently. (The other remains in good condition.) I have looked through eBay and found ...
13 votes
3 answers
4k views

Is my helmet/camera/light setup dangerous?

Do you think the mounted camera and light on the helmet is safe?
7 votes
6 answers
11k views

What is the process of adding a light to a Yamaha PW equipped ebike?

I recently got a bike with a Yamaha PW system. The bike computer has a light on/off button but the bike itself has no light and I want to add one. How do I do this? From what I understand, I need a ...
-1 votes
1 answer
100 views

Can someone tell me what brand of bike light this is?

It is a USB chargeable light and supports a strobe mode as well as a few different brightness settings. Thanks very much!
10 votes
5 answers
4k views

Mounting the front light on the frame instead of the fork or the handlebar?

I've had my front light mounted on the handlebar for the last 4 years or so. I never liked the bulky look and more importantly, how it jumps around in a response to my handlebar movements (if I'm on a ...
3 votes
1 answer
200 views

what is this hole for on a B&M Luxos U light?

Installing a luxos U. I've got a pair of others on other bikes, but those were installed by an OEM in Europe. The process is straightforward: Crimp some spade connectors on, then connect hub to light ...
1 vote
2 answers
405 views

Can you run a quick release skewer with a SON dynamo hub?

Regular SON dynamo hubs come with a hex key skewer rather than a QR. That's not a big deal, but it's probably simpler for the other 2 riders on the household who are running these hubs to deal with a ...
0 votes
2 answers
105 views

Which bike light, aren't that to be seen kind enought? [closed]

I just bought a giant escape 2 and have been using it to go to work. When is time to come back home is already dark and I'm planning to get a light. Asked about one in nearby bike shop and they ...
6 votes
4 answers
2k views

Cheap import lights VS branded lights

There are a lot of blog posts about cheap import lights (like SolarStorm etc) and how they perform. What is not clear to me is why they are so cheap. I know their battery packs are low quality, but ...
54 votes
4 answers
8k 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 ...
1 vote
1 answer
761 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
1 answer
456 views

How can I improve my cable routing

I need to re-cable* and rewrap my bars anyway. I'd like to take the chance to improve the cable routing for a couple of specific things: The gear cables catch on the dynamo light mounted on the fork ...
6 votes
3 answers
1k views

Helmets with dedicated mounting system for lights, cameras etc.?

I have came to the conclusion that headlights work much better for me for cycling than handlebar-mounted lights. This is because: A headlamp illuminates where one is looking, not where the bike is ...
2 votes
2 answers
176 views

How can I use my small flashlight as my bicycle's headlight?

How safely add my small flashlight to my foldable bicycle temporarily? I want use it as headlight. But I need take it off when I don't bike. My folding bicycle doesn't have basket, and I don't want ...
10 votes
2 answers
555 views

Accessory mount extender for curved bar: stem bolts vs double clamp

I've recently got a Giant Revolt 0, 2020. Obviously, I need lights for it, so I bought the Spanninga Axendo 60 front light. That is where the story begins :) Namely, it turned out, that the "...
19 votes
11 answers
24k views

Where to mount a headlight if the handlebar is obscured by a basket

I have a permanently mounted basket in front of the handlebars (because I have a child seat on the rack in the back). I also have a headlight on the handlebars (this one, if anyone cares). If the ...
0 votes
1 answer
1k views

AXA bottle dynamo noise

I'm looking for advice on AXA HR Traction bottle dynamos and others like it if there are any, as I have seen others on this forum discuss them specifically on other threads. My partner is running it ...
2 votes
4 answers
840 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 ...
4 votes
2 answers
9k views

Is this a bike light and how do I turn it on? (I know it sounds stupid)

I've been doing a lot more cycling in the last year since moving to a new town and have really enjoyed it. I had a fairly crappy bike though and went to a secondhand store quite far away to get a ...
0 votes
1 answer
187 views

Replacement battery for Cygolite Milion light?

I have a Cygolite Milion 200 light purchased in 2010. Its battery is taking a long while to charge these days. I wrote to Cygolite, and they say they don't have a replacement battery for it. The ...
1 vote
1 answer
1k views

Light for Giant Quick e+ 2018

I purchased a 2018 Giant Quick e+ for commuting. Giant uses a modified yamaha PW-X system they have branded "syncdrive pro". The bike is great but the headlight it comes with stinks. I would like ...
-1 votes
2 answers
195 views

How can I get a detachable bike light (300+ lumen) that runs off of AA or AAA NiMh batteries? [closed]

I have a large supply of NiMh rechargeable batteries that I use for all my gadgets. I have several small very bright LED flashlights that use these. My question is how can I construct, from parts, a ...
0 votes
2 answers
4k views

Mounting a dynamo headlight to a front rack

I'm using B&M dynamo powered front light (an Eyc and a Cyo) on two of our bikes and currently have them mounted at the fork crown using the stock mounting brackets. This causes a large shadow from ...
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 ...
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 ...
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 ...
2 votes
3 answers
5k views

Where can I find a bulb for my vintage 70's generator light?

I currently own a 60's/70's vintage light for my bike. I have it attached to my Trek 820 series 26" mountain bike at the moment. The light worked perfectly fine until one day when I broke the bulb ...
2 votes
1 answer
1k views

Dynamo light without rear light connected?

I wish to repair a faulty dynamo light system however I am a complete newcomer to these systems. I bought an old bicycle with a bottle dynamo ("Vitalux C 6V") connected to the rear wheel. There is a ...