Magicshine MJ-872 Lights

4.57/5 (7 Reviews)
MSRP : $129.95


Product Description

  • Super bright 1600 lumen manufacturer rated output
  • 50,000 hour average LED life span
  • Light head shell made of 6061-T6 aluminium alloy
  • Up to 120 minutes run-time at 100% brightness
  • 3.5 - 4 hour battery recharge time


  • Mtbr Bike Lights Shootout - over 50 bike lights reviewed, photographed and measured here.


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

    Reviews 1 - 7 (7 Reviews Total)

    User Reviews

    Overall Rating:5
    Value Rating:4
    Submitted by tekkamaki

    Date Reviewed: October 21, 2013

    Strengths:    Bright! decent flood pattern. fair price. good on on/off mode switch. cheap backup batteries available on ebay and amazon

    Weaknesses:    More expensive then clones

    Bottom Line:   
    I use this light on the bars along with an 808 clone on the helmet- have 3 seasons use now. This light is favorable to the clone lights I have seen (my son uses a tri-clone)
    I have no regrets on this purchase. Good to have at least one reliable light at night as the clone lights are less reliable.
    My battery died after leaving plugged in over the summer- replaced with some $15 chinese batteries off ebay - I always carry a spare battery as these are not as good as the Magicshine batteries.

    Overall Rating:4
    Value Rating:5
    Submitted by ryanbac a Cross Country Rider from Scottsdale, AZ USA

    Date Reviewed: January 3, 2012

    Strengths:    Bright lamp - flood pattern w/o hotspots. Would like to add a spot light lamp in the future but this light is powerful enough.

    Weaknesses:    I use the small O-ring and do not have any problems with slippage.

    Bottom Line:   
    It's a great light. Bright enough for me to ride single track. Really happy with GeoMan - they answered a presales email within a couple of hours. Received the light in the mail the next day (I do live in the same state as it shipped from - AZ)

    Expand full review >>

    Duration Product Used:   Less than 1 month

    Price Paid:    $160.00

    Purchased At:   Geomangear.com


    Overall Rating:4
    Value Rating:5
    Submitted by TwoHeadsBrewing a Cross Country Rider from Chico, CA

    Date Reviewed: October 31, 2011

    Strengths:    Very bright flood light, perfect for the bars. Relatively small size. Included battery is built in the USA.

    Weaknesses:    Heat dissipation of 1600 lumens is not great for low speed riding at higher temps. Rubber O-ring mount can slip around on smooth bars. Very little throw, if that's what you're after.

    Bottom Line:   
    This is a great deal for the amount of light and runtime you get. I bought the $180 package which comes with the bigger 6.0Ah battery. The 4.5Ah battery package is $150, but will only run on high for 1.5 hours.

    The beam pattern is VERY floody, but with no throw and doesn't go far down the trail. The beam pattern is very wide and bright and makes a nice 20ft x 50ft in front of the bike. I've paired it with my old MJ-808 P7, which has a spot pattern. This is a great combo which enables me to ride fast downhill trails and I don't feel the need to slow down due to lack of light.

    The only thing I don't care for on this light, or any of the Magicshine lights is the O-ring mount. It's just fine if you have textured/shot peened bars. However, I got some smooth finish bars and on the rough downhills the light head will bounce around and move a bit. To fix this, I purchased a mounting bracket from BikeEmpowerment.com. It is an aluminum solid mount that screws into the base of the light head, and then clamps onto the handlebars. This completely solves the problem, and provides a very solid and secure mount.

    I have not noticed any heat issues yet, but many reviews and users have reported this is an issue when running on high at slow speeds in temps > 80F. Probably will never be an issue for me, as it is cooler than that at night around here.

    Expand full review >>

    Favorite Trail:   Guardian

    Duration Product Used:   Less than 1 month

    Price Paid:    $180.00

    Purchased At:   GeoManGear.com

    Similar Products Used:   MJ-808

    Bike Setup:   Cannondale Rize 4

    Overall Rating:5
    Value Rating:5
    Submitted by MTBRGene a Cross Country Rider from Syracuse, NY, USA

    Date Reviewed: September 22, 2011

    Strengths:    Super bright, with easy adjustment up or down. And no hideous flash mode. Battery and light stay in place. Can turn on either on low or high, depending on which button you push. Battery is a quarter the size and weight of Halogen lights battery.

    Weaknesses:    First battery didn't last one hour. Causes temporary blindness if looked at directly.

    Bottom Line:   
    Great light for the price. Not as bright as the 1600 claimed lumens, but still outrageously bright and makes a perfect bar light companion to the MJ-808E on my helment. There are 4 brightness settings, I have been running mostly between 2 and 3, and crank it up to 4 when bombing fast downhills.

    I'd like to give a big plug for Brightstone Sports (www.brightstonesports.com - and no, I don't work for them or have any affiliations with them). I bought my 808E from DealExtreme - which took about 2 weeks to arrive from Hong Kong. I've heard customer service from DX is marginal at best, although I've not had to deal with them yet. When I decided to get a new bar light, I ran across Brightstonesports.com and saw their price was within a few dollars of DX and shipped from here in the states (NC). I ordered on Friday around noon, the light was shipped USPS Priority and was at my door before noon on Monday (YMMV). I used the light for a few rides and found the battery didn't live up to it's 120 minutes on high billing. A quick email to Brightstone and Lindsay wrote me back within a couple hours with an RMA number. I replied back that since they were swapping the battery, can I upgrade to the 5600 mAh battery (that I debated getting the first place) for the $20 difference. Sure enough, she replied no problem. I sent them the $20 by paypal, along with the tracking number of the defective battery and within an hour, I had a tracking number of the shipped out replacement battery! Talk about great service and super fast! If you are in the market for a Magicshine light set, I'd give these guys a look.

    Expand full review >>

    Favorite Trail:   Skytop

    Duration Product Used:   Less than 1 month

    Price Paid:    $150.00

    Purchased At:   www.brightstonesport

    Similar Products Used:   MJ-808E, JetLites Halogen, NightHawk (yeah, the one with the 5 lb SLA battery)

    Bike Setup:   2011 Giant Trance x1 with World Cup Revelation fork, Stans NoTubes, Panaracer Rampage tires, WTB Rocket V seat, otherwise stock.

    Overall Rating:5
    Value Rating:5
    Submitted by Carax a Cross Country Rider from Derbys UK

    Date Reviewed: September 19, 2011

    Strengths:    Very bright flood. Outshines most of the lights used by my mates that cost far more.
    Switch for light outputs works well.


    Weaknesses:    Rubber band mounting bounces the light beam about a bit.

    Bottom Line:   
    Retired my home made set up as I could not match the fire power of my riding companions - well pleased with the Magicshine - time will tell if it proves reliable.

    Expand full review >>

    Favorite Trail:   Shining Cliff Woods

    Duration Product Used:   Less than 1 month

    Price Paid:    $200.00

    Purchased At:   Magicshine UK online

    Similar Products Used:   Home brew Halogen and LEDs

    Bike Setup:   Spesh Stumpjumper Carbon 29er

    Overall Rating:5
    Value Rating:5
    Submitted by lrbrent a Cross Country Rider from Little Rock, AR

    Date Reviewed: August 30, 2011

    Strengths:    This is a great flood light. It puts out lots of light with no hot spot

    Weaknesses:    The light head uses a rubber band to attach to the handlebar. I modified the head and replaced the rubber band mount with a Cygolite Quick Release Handlebar Bracket Part # 08-2213HM. It comes with the bracket plate. Unscrew the rubber band mount and reuse the screw on the Cygolite bracket plate. Its a more secure mount.

    Bottom Line:   
    Great light at a great price. I would highly recommend this light to anybody looking for a great bright floodlight.

    Expand full review >>

    Favorite Trail:   River Trail

    Duration Product Used:   3 months

    Price Paid:    $170.00

    Purchased At:   brightstonesports.co

    Similar Products Used:   Cygolite, Dinotte

    Bike Setup:   Motobecane Phantom 29er

    Overall Rating:4
    Value Rating:5
    Submitted by ggnarl a Weekend Warrior from Tucson az

    Date Reviewed: August 18, 2011

    Strengths:    Small, compact. Nice build quality. New switch is great!

    Weaknesses:    Burn time is only two hours at full power...

    Bottom Line:   
    Ultimate flood beam pattern. Definititly best as a bar light. Beam is super wide, and virtually no center spot at all. Much brighter and wider than original. Would recomend using this on the bar and magicshine 808 on the helmet.

    Expand full review >>

    Favorite Trail:   Bugs Springs

    Duration Product Used:   Less than 1 month

    Price Paid:    $149.00

    Purchased At:   online

    Similar Products Used:   Magicshine 808 (original)

    Bike Setup:   Sll mountain

    Reviews 1 - 7 (7 Reviews Total)

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