Editorial Product Review:Item Description:7 super-bright LEDs housed in a watertight case provides the added visibility you need. Lens optics that actual increase visible distance and add 180-degree visibility. Batteries included.
Item Description:An essential measure for any safety-conscious biker, the Blackburn Mars 3.0 Rear Bicycle Light will help make sure you are seen by traffic in plenty of time. The Mars 3.0 is constructed in a tough, water-resistant case and utilizes seven super-bright red LEDs. This rear bicycle light features lens optics that increase its visible distance, and side LEDs that provide 180-degree safety-boosting visibility. Blackburn's Mars 3.0 runs on two AAA batteries (included) for up to 50 hours in steady mode, or 150 hours in flash mode.
About Blackburn In 1975, Jim Blackburn set out to design stronger, lighter, more innovative and more reliable cycling products. The first were bags and racks designed for touring. From there, Blackburn grew. Over the next 30 years, Blackburn's spark of innovation would lead to many revolutionary products, like the first high quality aircraft aluminum rack, the first dual stroke minipump, the first oversized mountain minipump and the first dual stage/dual stroke floorpump just to name a few. For 2005, Blackburn's creative spark is burning brighter than ever. And as we head into our 30th year, Blackburn is re-dedicated to designing smart, reliable, no nonsense accessories that are essential to your riding experience.
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Buyer Reviews
Average Buyer Rating:

Customer Rating: 
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Best tailight I've seen
This light is fantastic! Simple to install, very sturdy and solid, and brighter than bright! I think the side lights are a great feature, giving terrific visibility even in the darkest dark. I keep it on the chase mode which to me is better than flashing, keeping one of the LEDs lit at all times. I recommend this light very highly for great visibility and for its solid construction.
Customer Rating: 
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Started malfunctioning by the second use
The headline says it all. The blink feature stopped working altogether. Time to dig up the receipt and send it back
Customer Rating: 
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What were they thinking?
This product is horribly over-packaged and inappropriately over-engineered. The day after I bought mine, I opened up the packaging and discovered that, to change batteries, it was necessary to extract three very small screws which were too small to be opened with any standard cycle-tool or coin. I did a trial run at home, in the comfort of my living room, and I realized that this was a non-starter. I commute year-round in eastern Canada so there is a high probability that a battery change would be necessary in the dark (obviously), and possibly when cold, raining, or snowing. I can almost guarantee a dropped screw or two while attempting this. To make it worse, corrosion from road salt sprayed up while riding would compromise the whole screw arrangement. This aspect of the design is completely counter-intuitive if night riding is a regular occurrence and makes absolutely no sense at all. For the casual or recreational rider who only rides in nice weather on weekends in the non-winter months, this might not be a bad lighting system, as long as they carry a tiny screw-driver (about the same size as those used for adjusting eye-glasses, perhaps slightly larger). This is the first time I've ever seen this type of arrangement - everything I've previously used required only a coin or the edge of a house-key.
If you are a serious commuter do not get this light.
I returned this to the bike shop at the earliest opportunity, without ever using it, and bought a $7.00 tail-light at MEC (Canada's equivalent to REI).
Customer Rating: 
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Awesome Tail Light...
The tail light comprises of extremely bright L.E.D.s that not only shine to the rear but also to the sides of the bike. The only downfall is the cumbersome clip which is far from sturdy....
Mine fell off while in front of a bus and the next thing I knew it was broken into 3 pieces....but I'll buy another if not attempt to call the company and see what they can do. All and all I'd recommend it...but don't rely on the clip which keeps it mounted to the bike....