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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113 votes
6 answers
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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 ...
user229044's user avatar
  • 3,546
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 ...
nhinkle's user avatar
  • 3,883
22 votes
8 answers
4k views

Why are battery-powered lights so popular?

Both on this site and "in real life", battery-powered lights appear to be at least as popular as generator-powered lights. I have always been slightly confused by this. To me, a generator-powered ...
sleske's user avatar
  • 2,289
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" ...
BuildNC's user avatar
  • 357
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 ...
Peter Bridger's user avatar
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 ...
Mladen Jablanović's user avatar
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 ...
Agos's user avatar
  • 685
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 ...
gary h's user avatar
  • 155
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?
Joan's user avatar
  • 239
12 votes
7 answers
479 views

Off road lights

I've started really getting into mountain biking over the past few months and I'm keen to carry on riding through winter, preferably after work as well as at the weekends. To do this I'm going to need ...
Phil Hale's user avatar
  • 1,571
11 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 ...
Ria's user avatar
  • 111
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 ...
Urs's user avatar
  • 213
11 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 ...
WhatHiFi's user avatar
  • 227
11 votes
2 answers
9k views

Correct angle for front light?

I have recently invested in an LED front lamp with a battery pack. The results are great, it's incredibly bright and I will feel much safer with it on my bike. However, I don't want to blind or ...
Ben's user avatar
  • 663
11 votes
2 answers
4k 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 ...
nick g's user avatar
  • 509
10 votes
7 answers
1k 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 ...
SamA's user avatar
  • 2,726
10 votes
6 answers
2k 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 ...
TheSmallestOne's user avatar
10 votes
2 answers
553 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 "...
Dima's user avatar
  • 173
10 votes
2 answers
2k views

Dynamo hub lighting system recommendation

I'm considering outfitting my hybrid/commuter bike with a front dynamo hub and associated lighting. Currently, looking at Sanyo, Shimano, and Schmidt dynamo hubs. The Schmidt's are pretty pricey, ...
user avatar
8 votes
6 answers
582 views

Headlight recommendation

What is a good headlight for my bike? Requirements: Swappable between bikes Good for bumpy roads/situations such as gravel or dirt Long lasting battery Far reaching range of light LED of course! :-)...
studiohack's user avatar
8 votes
1 answer
519 views

What is the best charging practice for my bike light's lithium ion battery?

I have a Light and Motion Seca 700 with a Lithium Ion battery. It has a multi-chem smart charger. I have heard that some batteries like NiMH have "memory" and should be mostly drained before ...
Bizee Biker's user avatar
7 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 ...
House DiY's user avatar
  • 193
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 ...
Piotr Golacki's user avatar
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 ...
Dmitri Nesteruk's user avatar
7 votes
5 answers
2k 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 ...
Sam7919's user avatar
  • 9,072
7 votes
5 answers
7k 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 ...
Philip Kendall's user avatar
7 votes
1 answer
4k 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 ...
Plasma's user avatar
  • 195
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 ...
Giannis's user avatar
  • 367
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 ...
Vorac's user avatar
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6 votes
6 answers
604 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 ...
Oiv's user avatar
  • 61
6 votes
7 answers
5k views

Recommendations for bike headlight.....possibly running on AA batteries? [closed]

I realise this question has been asked before, but as far as I can tell the last time was over a year ago, so I thought it might be worth asking again in the light maybe of newer products being on the ...
PeteH's user avatar
  • 9,723
6 votes
2 answers
621 views

Is a headlight required to emit light to the sides?

The California Vehicle Code says: (d) A bicycle operated during darkness upon a highway, a sidewalk where bicycle operation is not prohibited by the local jurisdiction, or a bikeway, as defined ...
Johnny's user avatar
  • 1,799
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 ...
Trevor's user avatar
  • 636
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 ...
chichak's user avatar
  • 703
5 votes
2 answers
2k 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 ...
Benzo's user avatar
  • 18.2k
5 votes
3 answers
430 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 ...
bzink88's user avatar
  • 67
4 votes
4 answers
725 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 ...
user1833028's user avatar
  • 1,445
4 votes
7 answers
531 views

Need a bright headlight for offroad, UK

As winter approaches I am looking to upgrade my cycle lights. My commute takes me on an unlit section of canal tow path so I am looking for suggestions of a super bright headlight or cycle light that ...
Matt Wilko's user avatar
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 ...
Old95rpm's user avatar
  • 300
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 ...
JustWantToTurnOnALight's user avatar
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 ...
Polonius Byke's user avatar
4 votes
1 answer
404 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 ...
L.Dutch's user avatar
  • 7,101
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 ...
Konstantin Shemyak's user avatar
3 votes
1 answer
191 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 ...
user avatar
3 votes
1 answer
529 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 ...
Yogh's user avatar
  • 133
3 votes
1 answer
355 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 ...
Konstantin Shemyak's user avatar
3 votes
3 answers
296 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,...
donlibes's user avatar
  • 131
3 votes
2 answers
1k 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 ...
mwk's user avatar
  • 33
2 votes
4 answers
830 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 ...
sergiol's user avatar
  • 402
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 ...
Nigel Davies's user avatar