Bicycle Flash Light, retail $2.99
Manufactured by (Unknown)
Last updated 07-03-21
The Bicycle Flash Light is a bike headlight that doubles as a handheld flashlight that uses five phosphor white LEDs behind individual positive (magnifying) lenses.
It is powered by four AAA cells (that you furnish yourself) and has three operational modes plus "off".
The Bicycle Flash Light comes in a plastic body, and is weather-resistant and even submersible to very shallow depths.
Feed the Bicycle Flash Light four AAA cells (see directly below), and THEN you'll be ready to rumble.
Press very firmly down and forward on the black button on the barrel and then release it to turn the Bicycle Flash Light on in fast blink mode where the unit blinks its LEDs in unison (together) at approx. 3.50Hz (seven flashes every two seconds).
Do this again to change to slow blink mode with a flash rate of approximately 2Hz (two flashes per second).
Do this again to operate the unit steady-on.
Finally, do this again to neutralise the Bicycle Flash Light.
Just like it reads on the backs of many shampoo bottles, "lather, rinse, repeat". In other words, actuatimg the unit again turns the unit on in fast blink mode.
To change the batteries in the Bicycle Flash Light, hold onto the barrel with one hand, and give the bezael (head) a counterclockwise (anticlockwise) twist until you hear and feel a hefty "click", then pull the bezel straight off the barrel. Carry it to the top of the basement stairs, and kick it down into the basement crawling with hungry, hungry silverfish that have to go poddy so that they all sniff & snuffle at the damn thing, find that it smells like caca, and decide to pee on it in unison...O WAIT!!! YOU'LL NEED THAT!!! So just set it aside instead.
Pull the "guts" of the unit straight out.
If necessary, remove and dispose of or recycle the four used AAA cells from the body.
Install four new AAA ells, orienting them sothat their flat-ends (-) negatives face the springs for them in each compartment.
Orienting the body so that the part with the switch faces the direction of the black button on the light's outer casing, slide the body into the casing , and push in on it until the pieces no longer move.
Place the bezel back on, and gently turn it until the LEDs fit into the holes for them in the reflector assembly, Then, give the bezel a firm clockwise twist until you can feel the pieces lock together.
Aren't you glad that you didn't kick that bezel down the stairs to all of those hungry silverfish with full bladders now?
This is a bicycle light/flashlight in a plastic body, not a flashlight in a metal body that's meant to be bashed, thrashed, trashed, and abused, so I won't bash it against a steel rod or against the concrete floor of a porch, run over it with a 450lb Celebrity motorised wheelchair, stomp on it, use a large claw hammer in order to smash it open to check it for candiosity, fire it from the cannoñata (I guess I've been watching the TV program "Viva Piñata" too much again - candiosity is usually checked with a laser-type device on a platform with a large readout, with a handheld wand that Langston Lickatoad uses, or with a pack-of-cards-sized device that Fergy Fudgehog uses; and the cannoñata is only used to shoot piñatas to piñata parties away from picturesque Piñata Island), send it to the Daystrom Institute for additional analysis, or perform other indecencies on it that a flashlight in a metal or sturdier plastic body might have to have performed on it. So this section of the web page will be a bit more bare than this section of the web page on a page about a flashlight in a metal or exceptionally sturdy plastic body.
Aww hell with it...since the Bicycle Flash Light is intended to be used as a FLASHLIGHT for Beavis sakes, I decided to perform the test anyway.
And the results are in, folks!
The purpose of The Smack Test isn't to see what kind of damage appears on the exterior of the flashlight, it's about how well (or how poorly) the electrical and electronic elements of the light handle the instantaneous shock load (G-force) encountered in each smack.
In my opinion, this product is too dim to be highly effective as a bicycle headlight, but it functions just peachy as a handheld flashlight.
Th positive (magnifying) lenses in front of each LED are moulded into the plastic window which serves to protect the LEDs and give a measure of water-resistance to the product as a whole.
Spectrographic analysis of the LEDs in this bicycle light.
Spectrographic analysis of the LEDs in this bicycle light; spectrometer's response narrowed to a band between 435nm and 455nm to pinpoint native emission peak wavelength, which is 443.760nm.
Spectrographic analysis of the LEDs in this bicycle light; spectrometer's response narrowed to a band between 510nm and 530nm to pinpoint phosphor emission peak wavelength, which is 519.950nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at bfl.txt
A beam cross-sectional analysis would normally appear here, but the ProMetric System
that I used for that test was destroyed by lightning in mid-July 2013.
***EPILEPSY WARNING!!!*** FOR FLASHING LIGHTS!!!
In this video, you'll see the Bicycle Flash Light displaying slow flash, fast flash, and steady-on modes.
Brief video on YourTube showing the Bicycle Flash Light (sort of passing) The Toliet Test.
I say, "sort of passing" here because a very small amount of leakage did indeed occur.
TEST NOTES:
Test unit was purchased at the Happy Mini Mart in Fresno CA. USA on 07-01-21.
UPDATE 00-00-00:
PROS:
Very usable as a handheld flashlight
Weather-resistant at minimum
NEUTRAL:
CONS:
In my opinion, it isn't bright enough to be an effective bike headlight.
This is what nocked the most stars off its rating.
MANUFACTURER: Unknown
PRODUCT TYPE: Bicycle headlamp cum handheld flashlight
LAMP TYPE: 5mm phosphor white LED
No. OF LAMPS: 5
BEAM TYPE: Medium spot with blotchy corona
REFLECTOR TYPE: N/A
SWITCH TYPE: Pushbutton on/mode change/off on barrel
CASE MATERIAL: Plastic
BEZEL: Plastic; LEDs protected by window with positive lenses in front of each LED
BATTERY: 4x AAA cells
CURRENT CONSUMPTION: Unknown/unable to measure
WATER- AND URANATION-RESISTANT: Light splatter / weather-resistance at minimum
SUBMERSIBLE: Yes, to shallow depths for short periods at maximum
ACCESSORIES: Bike handlebar mount, size reduction sleeve
SIZE: Unknown/unable to measure
WEIGHT: 90.2g (3.18 oz.) incl. batteries
COUNTRY OF MANUFACTURE: China
WARRANTY: Unknown/not stated
PRODUCT RATING:
Bicycle Flash Light *
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