Blackburn Mars 3.0 Lights

4.03/5 (33 Reviews)
MSRP : $19.99


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Product Description

Seven super bright LEDs Unique side LEDs for lateral visibility Steady, flash and chase modes approximate runTime 50 hours steady, 150 hours flashTwo mountings: belt clip and seatpost clamp Water resistant UsesTwo AAA batteries, included
Mtbr Bike Lights Shootout - over 50 bike lights reviewed, photographed and measured here.


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Reviews 1 - 15 (33 Reviews Total) | Next 15

User Reviews

Overall Rating:4
Value Rating:4
Submitted by Michaelk a Weekend Warrior from Vancouver, BC, Canada

Date Reviewed: December 4, 2010

Strengths:    Very bright and big lights make you feel safe. Rubberized seals make these watertight.

Bottom Line:   
Compared to some other lights these are big. The front light takes 4AA batteries and has 4 leds. The back light has 5 leds and takes 2AA batteries. The front handlebar mount can be put on without tools. Then you slide the light on to the mount until it is secure. Sometimes it takes a bit of coaxing to get it off. The back lite has a clip and bracket for your frame. I was able to modify it a bit to get it to work on the back of a rack. The back lite simply clips in to the holder. It looks like it could easily clip into your back pocket or onto a backpack as well. Both lights have on or blinking choices by pressing the on button a few times. Blinking is attention grabbing and also may save a bit of battery life over constant on. The plastic is hard and durable and has held up but i don't expect it to last forever. Very bright lights.

Expand full review >>

Favorite Trail:   around Vancouver

Duration Product Used:   1 Year

Price Paid:    $30.00

Purchased At:   Ebay

Bike Setup:   Brodie 2009 Dynamo

Overall Rating:1
Value Rating:2
Submitted by DH a Cross Country Rider from FT Bragg

Date Reviewed: August 1, 2010

Strengths:    size, mounting, brightness

Weaknesses:    needs tiny screwdriver to change batteries, not elements proof

Bottom Line:   
first one died within weeks of AZ sun.... replacement died as well... neither lasted 6 months

Expand full review >>

Duration Product Used:   2 Years

Price Paid:    $12.00

Purchased At:   ebay

Similar Products Used:   blackburn mars 2.0, 3.0, 4.0

Bike Setup:   generic mountain bike

Overall Rating:5
Value Rating:5
Submitted by pm1066 a Weekend Warrior from Alexandria

Date Reviewed: July 6, 2010

Strengths:    Small, rugged package, bright lights, "coin" access to batteries.

Weaknesses:    None noted.

Bottom Line:   
OF NOTE: the battery compartment is NOT screwed on any more. It has been redesigned to be a standard pry-open with a coin. Excellent light, agree with previous comments. Did a quick dark room test with this and the ViewPoint Flashpoint High Intensity (no longer available, but exactly the same as the C-Dale Hindsite Ultra Tail Light). While the Flashpoint/Hindsite might be slightly brighter when viewed from straight back, the off angle coverage by the Mars 3.0 was better. Wearing one on my bike and one on my backpack I have decent coverage.

Expand full review >>

Duration Product Used:   Tested or demo'ed only

Price Paid:    $17.00

Purchased At:   Performance Bike

Similar Products Used:   ViewPoint Flashpoint High Intensity

Bike Setup:   Commuter

Overall Rating:4
Value Rating:5
Submitted by Stevewall a Weekend Warrior from Chicago, IL USA

Date Reviewed: June 17, 2010

Strengths:    Quite bright, uses AAA batteries instead of expensive button batteries, substantial build, can be dropped, has belt clip.

Weaknesses:    I actually found mine along a bike path, so I guess it came loose and fell off. It looks new, so can withstand bouncing on concrete. Time consuming to change batteries and need to carry a small Phyllips screwdriver in seat bag or have on your pocket Leatherman.

Bottom Line:   
Yes the screws are a pain, but I would rather have a water tight unit. I would purchase it.

Expand full review >>

Favorite Trail:   Lake Front alon Lincoln Pk

Duration Product Used:   6 months

Price Paid:    $17.00

Purchased At:   Nashbar

Similar Products Used:   ancient old two LED unit that was not very bright, this unit is very bright.

Bike Setup:   Full Campy Holdsworth, taken of a racing Bianci from 1974.

Overall Rating:3
Value Rating:4
Submitted by a daily commuter a Cross Country Rider from Yacolt, Washington, United States

Date Reviewed: December 30, 2009

Strengths:    Perfectly reliable in all kinds of weather. I lost one of the screws for the battery compartment, but it's still sealed from the elements. The light attaches to the bracket with a clip kind of like a pen clip, which could be used to attach to clothing, though I would not recommend that because bright lights needed to be aimed properly.The amber side lights are a nice touch, and it's great that they are amber instead of red.

Weaknesses:    The three long screws make switching the batteries rather slow. The amber LED's seem rather dim, but they are probably bright enough in the dark.

Bottom Line:   
It's a solid, reliable light with some nice features, but the one I bought a year ago is not nearly as bright as the newest bright tail lights--I don't know if the Mars has been updated since I bought it.

Expand full review >>

Favorite Trail:   high-speed highways that narrow to one lane, no shoulder. Not favorite, but what I ride every day.

Duration Product Used:   1 Year

Price Paid:    $20.00

Purchased At:   Don't Remember (will

Similar Products Used:   Niterider Cherrybomb: The Mars was my first tail light, and a few months ago I bought the Cherrybomb because it is much brighter. I left the Mars on my seatpost and mounted the Cherrybomb on my rack--having two lights is better than just one.

Bike Setup:   Gary Fisher Mendota

Overall Rating:4
Value Rating:5
Submitted by Lola Ashwood a Cross Country Rider from Atlanta, GA, USA

Date Reviewed: November 16, 2009

Strengths:    Side lights

Weaknesses:    Dated LEDs

Bottom Line:   
Sitting, in my car, at a red light at night and saw the side light flashing long before I could make out the bike. Picked one up the next day. Better LEDs would bring this dated light back into play. Drivers look through you not at you!

Expand full review >>

Duration Product Used:   2 Years

Purchased At:   REI

Similar Products Used:   Planet Bike Super Flash

Bike Setup:   Transportation

Overall Rating:1
Value Rating:2
Submitted by vimish a Weekend Warrior from Florid

Date Reviewed: September 2, 2009

Strengths:    Bright

Weaknesses:    Not water resistant. Condensation enters unit. Screws rust, making screw removal difficult. I have had three of these, condensation killed all of them.


Bottom Line:   
Good for about 3 - 6 months, depending if you get rained on.
Any unit with metal screws or corners will ultimately leak or the screw heads will rust so battery replacement is not possible.

Expand full review >>

Duration Product Used:   6 months

Price Paid:    $25.00

Similar Products Used:   Several models from Cateye, Sigma... all have the same long term condensation problem


Overall Rating:5
Value Rating:5
Submitted by magnum man a Weekend Warrior from Pinckneyville, IL, USA

Date Reviewed: November 20, 2008

Strengths:    1) Bright.
2) Mounting is very solid.
3) Construction of Light is very solid.
4) Can be viewed from behind, sides, top and bottom.


Weaknesses:    1) Getting case apart to install battery was trying. But this is minor.
2) A little higher than others, but well worth it.


Bottom Line:   
I placed this light side by side to my old Planet Bike 3 LED light. The Blackburn Mars 3.0 was a little brighter, but the 2nd flash pattern was definately an eye catcher.
Its not that the Blackburn Mars 3.0 is that much greater of a light, it is just better in a few minor ways. Such as the extra blinking pattern, the more solid mounting and casing of the light and the way it can be viewed.

Expand full review >>

Duration Product Used:   Less than 1 month

Price Paid:    $25.00

Purchased At:   ebay

Similar Products Used:   Planet bike 3 LED.

Bike Setup:   Schwinn Voyaguer and Schwinn Solution.

Overall Rating:5
Value Rating:5
Submitted by Bituman a Cross Country Rider from Phoenix, AZ

Date Reviewed: August 16, 2008

Strengths:    Cheap, bright, highly visible

Weaknesses:    Need a small phillips screwdriver to change batteries, no big deal for most.

Bottom Line:   
Very good deal. One of the cheaper versions of this type of light while at the same time one of the most visible. I am not using the provided mount, I clip the light to the back of the seat bag on my MTB. Thus used, it's quick and easy to mount.

Expand full review >>

Favorite Trail:   Trail 100 @ Phoenix Mountain Preserve

Duration Product Used:   Less than 1 month

Price Paid:    $17.00

Purchased At:   Bike Barn

Similar Products Used:   Same type of light from Planet Bike.

Bike Setup:   Eriksen 96er, XTR and XT stuff, Bontrager tubeless ready, all that stuff.

Overall Rating:1
Value Rating:1
Submitted by John a Racer from USA / Europe

Date Reviewed: February 19, 2008

Strengths:    None

Weaknesses:    Dead on Arrival. Never turned on.

Bottom Line:   
Brand new out of the box this did not work. Certainly followed install instructions and I'm pretty capable (10 years of racing, Cat 1 Road, Expert Mountain, Computer Guru) and this thing does nothing.

Purchased mainly due to the favorable reviews here and the fact that I don't want to be killed by the inhumane drivers here.

Looks like I'm screwed.

Expand full review >>

Duration Product Used:   Less than 1 month

Purchased At:   Performance

Similar Products Used:   VistaLite

Bike Setup:   Scott CR1 Pro

Overall Rating:4
Value Rating:5
Submitted by Footay a Weekend Warrior from St. Louis, MO, USA

Date Reviewed: December 16, 2007

Strengths:    Very bright - not seizure-inducing, but close. Compact. Clip allows for quick removal of light unit while mounting bracket remains on bike.

Weaknesses:    Two of seven LEDs are low-output bulbs mounted on the side of the unit. The concept of side-lighting is OK, but the brightness of these LEDs renders them ineffective. Also, there appears to be a quality-control issue, as one of these side LEDs didn't work on two units I bought. Screws for battery replacement may be an issue if one is ham-fisted and applies too much torque and strips out the threads. Removing the mounting bracket takes a minute or two, not the typical 10 seconds. Mfg's website should contain photos that clearly show the mounting bracket.

Bottom Line:   
Buy this light, you won't regret it.

Expand full review >>

Duration Product Used:   3 months

Price Paid:    $14.00

Purchased At:   Nashbar

Similar Products Used:   Vista blinkies

Bike Setup:   Mounted on seatpost.

Overall Rating:4
Value Rating:4
Submitted by S M a Weekend Warrior from New York, New York

Date Reviewed: December 14, 2007

Strengths:    Bright, variety of settings

Weaknesses:    Mount

Bottom Line:   
Excellent cheap LED rear light... removing batteries is a bit of a pain as it's 3 long screws... but it's built to remain weatherproof. Flash setting keeps battery longevity, the unit is light enough to use on a frame, messenger bag, or helmet if need be. The clip it's attached to unfortunately doesn't have a good mount (I have mine on a Bell Stowaway bag, with packaging tape and a twist tie) so it can snap off easily. If you can secure it, it's a great light... but it does seem prone to falling off.

Expand full review >>

Duration Product Used:   Less than 1 month

Price Paid:    $15.00

Purchased At:   Amazon


Overall Rating:3
Value Rating:4
Submitted by Andrew Nash a Cross Country Rider from SLC, UT, USA

Date Reviewed: November 7, 2007

Strengths:    compact, bright

Weaknesses:    clip on light flimsy

Bottom Line:   
I had it for more than a year and used it almost daily for commuting. I didn't have to replace the batteries very often and it was brighter than previous lights. I rode in rain and slush and it still worked.
I liked the mounting bracket, unfortunately, that's all I have left. It was my favorite light until I went over a bump and the clip broke.

Expand full review >>

Favorite Trail:   MOAB

Duration Product Used:   1 Year

Price Paid:    $15.00

Purchased At:   Contender Bicycles

Similar Products Used:   cateye, vistalight, planet bike

Bike Setup:   Trek 1500SLR Roadbike

Overall Rating:5
Value Rating:5
Submitted by hamid from tavares, fl, usa

Date Reviewed: October 6, 2007

Strengths:    can be attached to soft cap strap
water resistant


Weaknesses:    none

Bottom Line:   
purchased this as part of a combo unit with the Quadrant for $20.

the quadrant has a design flaw that is the mounting mechanism has a point of weakness. it will break under shock.

as far as the mars 3 goes, it's absolutely fabulous.

switched from cateye because numerous problems with faulty switches.

Expand full review >>

Duration Product Used:   Less than 1 month

Similar Products Used:   cateye


Overall Rating:5
Value Rating:4
Submitted by Aaron from Bel Air, MD

Date Reviewed: September 13, 2007

Strengths:    Small, well designed, easy to remove if needed, runs forever, lots of blinky lights on all sides

Weaknesses:    kind of a pain to change batteries, one of the side LED's and one on the front didn't work (still plenty left on there to keep blinking away)

Bottom Line:   
not sure if it really lasted the advertised hours or not, but i ran them all winter and only had to change the batteries once, so that was good enough for me. cheap, bright, weatherproof... rain, snow, slush, salt, it got it all, and still runs like a champ. what else do you need in a taillight?

Expand full review >>

Favorite Trail:   Fairhill

Duration Product Used:   1 Year

Price Paid:    $15.00


Reviews 1 - 15 (33 Reviews Total) | Next 15

Review Options:  Sorted by Latest Review | Sort by Best Rating


Blackburn Quadrant Mars 3.0 Light Combo

Act quickly--at [URL="http://www.steepandcheap.com/?id=KztfFWXE"]SAC[/URL] for $11.96 + s&h. You get the Mars 3.0 taillight and the quadrant headlight.Read More »

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