BR Lights C2-K

Lights Shootout Pro Reviews

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BR Lights C2-K $399.00

Light Price Claimed Lumens Runtime Battery Type Light head weight Battery Weight Installed Weight Lumens per gram Lumens per dollar
BR Lights C2-K $399 1000 2.25hrs Lithium Ion 407g n/a 407 g 2.19 1.43

Light Meter charts and comparison table available here.


This won’t be a long review. The BR Lights C2-K looks exactly the same and works exactly the same as their C2.1 H that we reviewed last year. There are three differences:

  • the price changed from $329 to  $399
  • the run time dropped from about 4 hours to 2.25 hours.
  • And most important, the light got a heck of a lot brighter. It went from 410 Lumens to 1000 lumens. Our Lux measurement jumped from 28 Lux to a whopping 65 Lux. The beam pattern improved too with a much bigger hot spot and a much wider beam.

Light Head Close ups:

img_2044.jpg img_2042.jpg

c2-mounting-freedom.jpgMounting options:

This light is for handlebar mounting only. The aluminum clamp can handle both standard and oversize handlebars. The light can be aimed left to right

Light Meter Measurements:

As mentioned, the C2-K measured in at an impressive 65 Lux.  This tops the Lupine Wilma 5 at 56 Lux and the Dinotte 800L at 55 Lux.


  • The light brightness and beam pattern is a slam dunk winner
  • The color of the light is slightly yellow compared to most LEDs. This is easier on the eyes and enhances contrast
  • Self-contained, no wires system
  • Very fast 1 hour charge time
  • Great on/off switch with battery level indicators
  • hard shell case included


  • It’s big and not so pretty and bulky on the handlebar
  • The design has not been updated at all from last year
  • 2.25 run time at full power is a bit short.
  • It’s very easy to lose the plastic charge plug cover and the rubber strips for handlebar mounting.

Bottom Line:

So we were a little disappointed to see the same exterior design as last year. But when we turned on the light, all doubt was erased. This is a staggeringly bright light. The measurements and the beam pattern photos confirm it too. This light is a torch.

Beam Pattern Photos:

2009 C2-K

2008 C2.1 H


Beam Pattern rollover and side by side comparison page available here.

Value Rating:

5.00 out of 5 Stars

Overall Rating:

4.50 out of 5 Stars

Read or write reviews:

A word from the Manufacturer:

Mtbr Lights Shootout Main Page | Mtbr Lights Reviews | Mtbr Lights Forum


  • Anonymous says:

    Thanks to MTBR for including our product in this years review and are glad to hear they are as happy with the light output and improved beam pattern as we are!

    We would also like to take a second to respond to the mention about design;

    NO NEW BLING FACTOR=UPGRADE FREINDLY: We made a conscious decision not to redesign the outer package of the light this year, despite it’s ugly duckling reputation. The decision was spurred by our commitment to provide customers with the capability to upgrade to the latest technology at any time at a reasonable price. The exterior package, as designed originally, has comparable weight and better heat dissipation profile than like competitors. We also believe that what you see with your light, is much more important than how the light looks. Once the lights are out the elegance of our design is apparent in the easy to view battery level indicator, large easy to locate on/off button and rugged exterior that can take a beating.

    Find beam intensity graphs and more at:

  • Anonymous says:

    I spent sometime look into the design of Exposure MaXx D light design which is much prettier than C2-K and I ended bought MaXx D.

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