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Lights / Lights / Tail Lights
Knog Big Cobber Rear Light
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Knog
Big Cobber Rear Light

Mfg PartNum:12192
  (8 customer reviews)
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Be seen from all angles.

Big Cobber produces an incredible 330° of light, so you'll be clearly seen from all angles. In an increasingly busy world, this bike light is brilliantly effective at attracting attention and helping keep you safe on the road. Packing 270 lumens this Big Cobber is seriously bright.

The Cobber has integrated USB recharging, is 100% waterproof and you can program the settings using Modemaker.

Features:

  • Light Modes: Max, Mid, Steady Pulse, Flash, Rolling Flash, Side Flash, Disco Flash, Eco Flash come pre-programmed.
  • LEDs: Efficient Chip on Board (COB) LEDs designed to provide maximum brightness level for up to 90% of the battery burn time for each mode.
  • Integrated USB Plug: No charging cable required, plugs directly into USB ports & is designed to be exposed to the elements
  • Charge Time: 5.5 hours (LED will turn off when fully charged
  • Bike Attachment: Tool-less removable silicone straps for bars/seat posts 22 - 32mm+ diameter with magnetic mount. Aero Mount also included.
  • 100% Waterproof: The Cobber is 100% waterproof against all elements
  • Battery: USB Rechargeable Lithium Polymer
  • Accessories Included: Standard Mount, Aero Mount, 3x interchangeable straps for bars/seat posts 22-27mm / 28-32mm+, and USB extension.

  • Runtime
    Modes Lumens Runtime (hrs)
    Max 160 2.0
    Mid 60 3.5
    Steady Pulse 270 2.59
    Flash 270 6.5
    Rolling Flash 110 5.5
    Side Flash 170 2
    Disco Flash 140 5
    Eco Flash 15 100

    B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

    The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.

 

Light Type: Rechargeable 

 

Dimensions: H:92mm x W:33mm 

 

Weight: 59 g

Ordered by Most Relevant First
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great aid to rear visibility; easy to charge; lasts several hours
rating
by MN Biker
Cycling Enthusiast
Minnesota

In addition to good visibility and long run time, this rear light is especially easy to mount to my bike. Much easier than the Lights and Motion lights I used previously. I also have a Cobber front light ( yellow) , although that one is a bit smaller than the rear red one. The front one mounts the same way, also lasts quite a while, and is another great addition to my bike kit.

Reviewed 11/18/2021
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Great light with visibility from side angles
rating
by WATriker
Cycling Enthusiast
Sequim, WA

I use this light on the flag mast of my recumbent trike. Since the recumbent is quite low relative to vehicle traffic, increasing visibility in terms of both height and side angles is especially important. The Big Cobber allows me to do both.

It's only downside is that in order to connect the charging cable, the attachment bracket must be removed from the light each time.

Reviewed 7/2/2021
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Only works for about a year
rating
by Anonymous
Cycling Enthusiast
Northeast

I bought two of these lights. They were very bright and easy to use so I got a couple more. Two of them died in a rainstorm. The other 2 just stopped working after about a year. I have the Knog Mob blinder lights as well, no problems with that model

Reviewed 3/30/2021
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Does not hold charge and light has short life. Overpriced
rating
by AZ ROADRIDER
Cycling Enthusiast
Scottsdale

Have used this light for less than 6 months riding in southwest. The charge lasts less than an hour even after following manufacturers instructions. Light no longer works even after full charge. This is poorly made overpriced product that I regret buying

Reviewed 9/19/2020
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Outstanding Light
rating
by Anonymous
Cycling Enthusiast
Maryland

First, this light is huge, and can seen from the back and sides. I love the attachment mechanism - it stays in place and is easy to mount and un-mount. I have owned a number of Knog lights over the years and this is on par with those. Put another way, if you like other Knog lights you'll probably like this one as well. It's a little pricey, but can you really put a price on being seen? Worth every penny in my opinion.

Reviewed 4/13/2020
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Bight Light. Highly Effective.
rating
by Anonymous
Cycling Enthusiast
Paris, TX

I give this light a split star rating. Five stars for the light itself. The light is very bright and well seen from the side and rear. I gave it a four star rating due to the attachment system which is a rubber band. I would prefer a clamp, but it has not been a problem on the gravel roads I travel. Easily charged with the supplied cord or a direct plug into a USB port.

Reviewed 1/16/2020
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NOT waterproof!
rating
by Carol
south Florida

Im on my second one of these since October and now its about to go back. Fits my aero seat post, is Fantastically cool looking and bright but as soon as you hit a little rain, game over. Works again after it dries out but battery life is tremendously shortened. So disappointed.

Reviewed 12/30/2019
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Best rear light!
rating
by Anonymous
Cycling Enthusiast

This is the absolute best light for an aero bike. Get a decent 5-6 hours out of a charge using the mode that slowly flashes around the whole light radius.

Reviewed 8/7/2020
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