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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2answers
71 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 ...
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1answer
60 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 ...
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4answers
1k 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 ...
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2answers
2k 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 ...
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1answer
85 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 ...
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4answers
227 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 ...
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2answers
121 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 ...
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2answers
399 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 "...
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4answers
448 views

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

TL;DR: I like the convenience and the ecology of using AA/AAA batteries in a rear light. Yet the rear lights using AA batteries I see on the market have puny power. Does anyone build somewhat powerful ...
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4answers
680 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 ...
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2answers
725 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 ...
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1answer
211 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 ...
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1answer
73 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 ...
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1answer
1k 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 ...
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2answers
168 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 ...
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1answer
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 ...
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2answers
2k 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.
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2answers
358 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 ...
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2answers
603 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 ...
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1answer
993 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)....
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3answers
5k 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 ...
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1answer
642 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 ...
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2answers
303 views

Is it safe to attach a flashlight to a helmet?

Everything I've found online discussing this has focused on the benefits and dangers of attaching a metal mount to the helmet, on which a flashlight would be attached. I'm using a soft mount (...
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1answer
134 views

Bicycle Headlights for Commuting. Can't Decide [closed]

I'm in the market for my first bicycle headlights, mainly for commuting 10 miles to/from work. The days are getting shorter and I foresee my entire commute will be in the dark in the coming months. ...
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2answers
290 views

Single switch light system?

Is there a headlight/taillight system that can be turned on with one switch, rather than turning on 2-4 lights each individually?
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1answer
351 views

Are there dynamo powered front flashing lights?

I have a bright battery powered front light and I'm looking for a flashing "be seen" front light that's connected to a dynamo so it's always on whenever I ride. Standlight would be ideal, but isn't ...
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1answer
660 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 ...
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2answers
103 views

Diagnosing faulty circuit in vintage incandescent headlamp

I've got a steel-framed bike with incandescent lights, probably from the '70s. Unfortunately, despite all my efforts to get it working, the headlamp refuses to work. History About six months ago, ...
3
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1answer
185 views

Fork light mount on road brake pivot bolt - safe?

Is it safe to put the front light mount designed for the fork (as pictured below) on the road brake pivot bolt? I know I'd need a longer recessed nut. What makes me worry is that the steel wire loop ...
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2answers
2k views

I need an StVZO compliant bike light. Any recommendations?

I tried to buy one from Amazon but after testing it today the beam is clearly symmetrical and has no advantages over a normal bike light. I live in the UK so the StVZO regulation is not one which I ...
4
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1answer
341 views

Light brightness indication

Due to some issues with my dynamo I am also checking the possibility of installing batteries powered lights. While checking in a shop, together with the usual LED stuff, I noticed a front light having ...
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3answers
211 views

handlebar light (or mount) with ball and socket joint

Is there a handlebar light or mount that uses a ball and socket joint or otherwise allows complete freedom to change where it points? I like to adjust my light depending on a # of factors. For example,...
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3answers
335 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 ...
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0answers
192 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)...
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2answers
5k 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 ...
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2answers
217 views

What is the difference between Light and Motion's Urban 800 Chainbreaker and Urban 800 Anchor Steam bike lights?

The only difference I can see is the color, but their website lists them as separate products. http://www.lightandmotion.com/choose-your-light/urban
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2answers
974 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.
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4answers
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 ...
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1answer
128 views

broken hub dynamo lights 80s Triumph

Trying to fix up my 80s Triumph bike which has a Sturmey Archer 3 speed dynamo hub. The hub has two screws which connect to two cables. I think the hub generates an AC supply and powers a front and ...
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7answers
11k 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" ...
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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 ...
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1answer
559 views

What to look for in a (Cheap) MTB headlight for night trail riding [closed]

I'm wondering what to aspects to look for when buying a mountain bike headlight is for night riding on the trails. I have never bought one before, but I'm hoping to spend at most $50, is it possible ...
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2answers
142 views

How do I adjust Luxos IQ2 mount?

I'm trying to mount Luxos IQ2 onto the fork crown. There isn't quite enough space between the back of the light and front brake cable and I was wondering if I could add a spacer between IQ2 metal ...
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7answers
4k 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 ...
7
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1answer
3k 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 ...
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2answers
2k 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
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6answers
7k 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 ...
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5answers
5k 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 ...
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5answers
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 ...
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1answer
803 views

Cygolite Expilion Battery Replacement

Did anyone take apart the replaceable battery of the Expilion headlight? I assume it contains a 18650 like battery, but some have a protection circuit built in and some not. Any knowledge about the ...