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Questions tagged [taillight]

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9 votes
2 answers
798 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 ...
3 votes
2 answers
242 views

Fitting an additional rear light to Bosch ebike

I'd like to increase my visibility on my Tern GSD, particularly in the winter months, by adding a second rear light. Rather than using a light that requires charging, I was hoping to connect another ...
6 votes
6 answers
313 views

Rear light with failure warning

It is a thing that I noticed even on cars it is missing: when rear lights fail, the driver does not realize it. In bicycles it is much more worse it happens, as the cyclist's own life is more exposed....
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 ...
2 votes
0 answers
111 views

Hacking Bike Lights: SuperNova E3 Pro 2 with a TL3 Pro

My Challenge (besides trying to overcome the temptation of putting things together that don't quite belong) is trying to get the SuperNova E3 Pro 2 to keep the "parking mode" on with a TL3 ...
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 ...
2 votes
2 answers
363 views

Tail light Amperage draw

I wish to hardwire the accessory tail light on my e-bike. It uses 2 AAA batteries at present (3V). I consider a flashing tail light to be critical to safety. It has died a couple of times during a ...
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 ...
1 vote
1 answer
57 views

How do I mount a light intended for a tube to a flat rack?

I have a rack like this: This works really well for me, for the most part. Alas, I am mounting my taillight like this: So, in the past, I've had some PVC pipe affixed to the side of the thing. Now, ...
2 votes
3 answers
631 views

Rear dynamo light (tail light) or reflector without rack?

I have a light / reflector designed to mount to a rear rack. It has two horizontal holes for bolts, like this: I do not have a rack. But I do have rack mounts like these on the seat stays: Is there ...
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, ...
0 votes
0 answers
68 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 ...
0 votes
2 answers
630 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?
2 votes
1 answer
1k views

Gazelle taillight Power Vision user manual

I have this battery-powered tail lamp. It has one button to switch on/off and, when pressed for few seconds, probably "lock" lamp, which indicates this by flashing 3 times ("unlocking" procedure is ...
-2 votes
5 answers
5k views

Rear Lights for Aero Seat post? [closed]

I went to the Bike store looking for rear lights for my Aero seat post and for the life of me I couldn't find that fit. Its very skinny in the back and so the regular tail lights do not fit. How ...
3 votes
1 answer
686 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 ...
1 vote
5 answers
490 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 ...
3 votes
1 answer
746 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 ...
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 ...
5 votes
4 answers
10k 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 ...
12 votes
3 answers
3k views

Pizza box rear light

I work as a delivery man on a bicycle, so I often ride my bike after dark with a black pizza box attached. My rear light attaches to my seatpost, and is completely useless when the pizza box is there. ...
3 votes
1 answer
338 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 ...
2 votes
1 answer
286 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 ...
1 vote
1 answer
2k views

Light for Tubus rear rack [closed]

I recently received a Tubus rack that I am happy with. In the instructions there is a wide rear light with a double point attachment. I want one of those big lights - can someone tell me of one? ...
1 vote
1 answer
287 views

Custom/universal clamp/attachment for light on rear rack

A long time ago i bought one of these lights from china It is pure chinese crap. bought 2. one dead in a few days. Then i broke the two trays that i slide it to attach to the bike making them ...
3 votes
4 answers
393 views

Safety Bike Tail Light with Directional Signals [closed]

I am a urban rider that I ride locally on a regular basis but I am always concerned about fighting with cars on the streets. When I traveled aboard last year I ran into a manufacturer who has a tail ...
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 ...