I buy one under $10, have used for three years ,fit for all kind of bikes .if you need you can check this link .

this is for the NiteRider 250..

I have been running a NiteRider 650 for over 4 years now, without problem and am very happy with it. This is a smaller output, and I really don't have any experience with it. But REI has it on closeout and I am springing for one.. Auxiliary lighting is nice in the winter.. be seen and see ..
NiteRider Lumina Micro 250 Front Bike Light - 2014 Closeout - REI.com

I bought a CatEye Volt 300 from "Jet.com" for $26 and change. They list them at $32.94 but you get a 20% discount and free shipping if you're a new customer. They sell for around $50 to $70 most everywhere else.

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[TD="class: em_center, align: left"]Cateye CatEye Volt300 Bicycle Head Light - HL-EL460RC (Gloss Black)

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I bought one of Troy's Illuminati's and I think it's a good value for $27. I use it on strobe with a Cyglolite on steady for the front and it comes with the small red blinkie that straps easily to my helmet for a 2nd back light (it uses two 2032 pancake batteries)....so I have 2 front and 2 back lights for the winter. Good to have a back-up in case one should go down for some reason. Also it is quickly & easily moved from bike to bike with the rubber strap fastener.

Update: It's still working fine BTW. No problems at all. Heck I could buy one every year at that price and be happy with it, but this one is still going strong, even the battery...

Pretty easy to find actually. Recommend these. I normally run two of these lights on the handlebar, one on each side of the stem. The add-on lens does a great job of flattening the beam to concentrate it where you need it.

Amazon.com : RioRand 4 Mode 1200 Lumen CREE XML T6 Bulb LED Bicycle bike HeadLight Lamp Flashlight Light Headlamp : Sports & Outdoors

plus:
https://www.amazon.com/MagicShine-Gem...rch_detailpage

Basically $24 bucks (less bonus points back if you are Prime Member) delivered for a complete light set and no fuss. If you have a dyno-hub or a serious generator, its pretty easy to rig up a charging system, but I pretty much decided it was simpler to just carry a "spare battery" (when one gets tired, just turn it off and turn on the other one...which is why I tend to have two complete kits installed). But noting that it takes quite a while to run one down even on high.

Hope that helps
/K

I bought one of these:

6200LM 3x CREE T6 LED Bicycle Bike Light Headlight Flashlight+Battery+Charger UK | eBay

I paid £16 which included shipping costs (approx $22 USD) ....

seller advertises it as 6200 lumens. What I can however say is that I have been using it for several weeks and commute at night, 5 days a week on very dark cyclepaths/back roads. I use it with the headband that was supplied and it has 3 settings (low, medium, high) ....

On low, it is very very bright and works brilliantly with the headband. I have only used it on the low setting

The battery pack is placed in my cycling jacket pocket. I have not tried mounting it on my handlebar as I don't like faffing around in the dark with rubber bands every time I need to mount or dismount it.

It came with the battery pack, charger, headband and rubber mounting straps. I have had a few cyclists asking me where I bought it and how much it costs. I use this in conjuction with my Cygolite Hotshot which is mounted on my rear pannier rack.

It's been one of my best buys so far

OP; If going with a flashlight format, highly recommend ones which use the 18650 Lithium rechargeable batteries. You can bet a box of 10 of them on ebay for about $12 delivered and chargers are dirt cheap also. Nothing in the AA format comes close to them. And they can output up to 6,000 mah each. I use several of the 5,000 lumen zoomable lights as bike lights ($15 on ebay) and also use the ones that house two of the 18650 batts with a gun mount on the shotgun which is great for spotting during the annual tree top raccoon hunts.

Ditto, I've been using an Illuminati for about six months. It's an excellent to-be-seen helmet light in traffic, night and day. I can see that vehicles see me, particularly when I raise and turn my head to look directly at the drivers. The Illuminati's directional shaped beam is well designed for such an inexpensive light. And it's so lightweight I don't even notice it on my helmet. The button is easy to operate even with thin gloves -- when in doubt I can check the reflection in my chrome handlebar, compass, mirror or eyeglasses to be sure which setting I've selected. Usually I prefer the flasher to be seen in traffic, although I'll use steady low for group rides at night and on the local MUP.

However it's just barely adequate as a to-see light on steady high, but I've managed to get home a few times with just the Illuminati although it's not ideal for spotting road hazards such as ruts or stray small bits of debris if I ride faster than 8-10 mph at night.

Just today I received a Serfas "True" SL-255 headlight, powered by a pair of ordinary AA alkaline or rechargeable batteries (as far as I can tell, it's the only Serfas model that uses AA batteries). I just took a quick 2-mile trip around the block at night and it appears to be adequately bright as a to-see headlight. Serfas claims the SL-255 is 50 lumens on steady low, 125 lumens on steady medium and 255 on steady high. Subjectively the Illuminati on steady high is somewhere between low and medium on the Serfas SL-255, so once again lumen doesn't appear to be a reliable indicator of apparent brightness.

The Illuminati is certainly nowhere near as bright on steady high (supposedly 300 lumens) as the Serfas SL-255 on steady high (reportedly 255 lumens). But the designs are very different, with the Illuminati somewhat comparable to the Busch & Muller Ixons with top-mounted LED reflected off a curved mirror for a directional patterned beam.

I'll add more observations about the Serfas SL-255 and some photos after using it for a few rides. But for the current price of $32 via Amazon ($35 shipped to my state, including state sales tax but with free Amazon Prime 2-day shipping), the Serfas SL-255 appears to be a very good value, especially if you prefer ordinary AA batteries rather than USB rechargeable LiON or other internal battery.

magic shine about 5 year old and STILL working great this was just tonight
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Hello, guys!
This is my hi/low beam bike light about $30 -


What do you think?

Skimmed through this thread, didn't see this one. Just got a Niterider swift 350 for $35. Its not bad, somewhat floody. Before that had gotten a decent deal for a Serfas USL-305 for $40. The serfas is a superior light.

https://www.amazon.com/Nestling-Solarstorm-Bicycle-headlamp-4x18650/dp/B00VHLTQ6A/ref=cm_sw_em_r_asp_p_VLkqL.NTCYK6E_tt

I know this type light has been mentioned already, for $27 and change shipped its not bad. Light and battery pack seem fine. One ride so far of 45 minutes with a mixture of low, med, and high, and still 3 leds of battery if its correct.

On high taken with S5. Its brighter in actuality.

Update: Original post above was 05-21-14, 09:27 PM. Still using occasionally, lights and head lamp battery still work great. I hate to say it but well worth the money.

Apologies; didn't realize I had previously responded to this thread. Anyway this is thus more a continuation.
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I suspect it is much of the "to each his own" type situation. For me, I have lots of flashlights (handhelds, bike mounts, rifle mount, bug out bags, backup power, share-out sets for contingencies, etc.). Some time back really took a hard look at the various issues centering on power to weight to cost ratios. In the end, I standardardized on 18650 based/powered devices and just began to replace things as they broke or got donated. Getting rid of things that run off various coin batteries, 123A, AA and AAA really simplified my kits. Admittedly, some situations took a bit of work; such as building up my tactical shotgun. It needed a flashlight, a laser sight, and an illuminated scope. Having found that there wasn't a viable set of those add-on that ran on a single source required work. In the end, the best answer was to mount a 4-6,000 lumen zoomable LED flashlight, that runs off a pair of 5-6,000 mAh 18650's and mounted on the left side of the barrel with a doubled-up pair of picy rail mounts, and wiring it so that its batteries powered everything on the gun. I suspect one could leave the flashlight on continuously for several days at a time before needing to recharge (or switch to spare sets of batteries). I think most folks could be well served on their bikes with 2 or 4 each 18650's and it is fairly easy to wire them up to charge off a internal hub alternator or a solar panel, if desired. Just for thoughts.

I have made a video with demonstration of my separated high/low beam headlight.
As I mentioned earlier it is about $30.

Great! I'm not allowed to post URLs until I have at least 10 posts!!!

So, here it is: youtu.be/jmrvqBJDxkU

Heres a couple I thought I would share. I have the CR500 and use it for around town stuff. Rareyl do I need high mode so the CR300 version really would work well too, both under $50 (500 is barely lol)

https://www.ravemenbikelights.com/co...e-front-lights

I got CREE XML T6 USB single LED light, is cheap ($10), waterproof, work great over 6 hours with my generic 5V, 1.5A, 10400mAh power bank.

I'm still forum newbie, so I can not put links or pictures, but if you're interested you can find CREE XML T6 on DX, GearBest, Banggood...

Great! What light is it?

I'm not allowed to post URLs until I have at least 10 posts!!!

You can see my headlights here: youtu.be/jmrvqBJDxkU

Good video.

Bright lights and great video, but wow, talk about tunnel vision on those trails! Not that I would ever go trail riding at night, but if I did, I would want a *way* wider beam than what you have.

Cheers
TRJB

$14

https://www.aliexpress.com/item/Blue...FdS6wAodUSUHqg

Tunnel vision is only because of the my cheap action camera - EKEN H9.
The first part of that video was taken with another camera (Canon 60D) and tunnel vision effect is much more lower there.
And surely real human eyes take a bit better picture than Canon.