Knog Skink


by Mark V on Jan 29, 2009 at 12:02 PM

Knog Skink 1

The new Knog Skink is a four LED unit in either red or white configurations and weighs just 56gr. It should retail for about $30, distributed by Cyclone Bicycle Supply . The silicon body seals the electronics from water and is available in 6 colours. As with all Knog lights, the light fits to seatposts or stays by wrapping the flexible loop around to the body. The Skink is obviously larger and more expensive than the wildly popular Frog, but new light runs on 2 AAA batteries, which are more readily available, cheaper, and last longer than the Frog’s CR2032 batteries. Even better, you can buy rechargeable AAAs. Another nice feature is the battery life indicator light, a small auxiliary LED next to the on-button that stays illuminated when the battery life drops below 25%.

Knog Skink 2

Compared to the Knog Bullfrog that I’ve been using for a year now, the Skink has one less LED and uses one less AAA. The on-button is a little easier to find blindly while wearing gloves and the silicon loop fits more snugly. Both lights are somewhat less bright than a Planet Bike Superflash, but I absolutely love the convenience of the Knogs’ attachment method. Knogs are the only lights that might possibly improve the looks of your bike. But if you must have maximum red strobe to irritate riders behind you, Knog has plans to introduce a 1W LED taillight called the Boomer. No price on that yet, nor expected arrival date.

Share this story:

Recommended Reading

I really like the easy installation of this type of light. Currently, I can fit either my headlight or my GPS on the end of my looped aerobars but not both. To switch between those takes a screwdriver to remove a bracket… it would be great to have something so quick and easy as this, although it probably increases the risk of it falling off accidentally. That slight risk is okay for a $30 light, not so much for a $100 light or a $250 GPS, but I’m sure a good solution will come along eventually.

Can the bike industry create a standard mounting bracket that can be used in both vertical and horizontal directions? That would be a dream!


I think it’s funny that that guy in the review liked the Blackburn lights the best, because I refused to buy them for the shop.  They get their light weight from having a sealed internal battery that recharges off a proprietary charger using a AA battery.  So you have 2 things to go wrong: the internal battery and the charger, and the light is useless if you lose the tiny charger.  Plus, you use a disposable battery to re-charge? How stupid is that?  Oh, I suppose you could use a rechargeable AA…but then you are using a charger to recharge your recharger.  Explain to me how that makes sense. 

So as a shop buyer, I rejected those outright.

Here’s another highly technical comparative review of the Knog Frog:
  I can only assume that the Skink is even better.

There is another light that I’m still evaluating called the Beetle, which is more or less like a suped-up Frog.  Same size and battery configuration, but two LEDs and no little plastic hook to connect.  Retails for $20, but more on that later.

Maybe the messenger was punking the NYT by reviewing a terrible light design as being “good.”

So Mark, I take it that if I’m already running Bullfrogs and I’m more concerned with safety than weight I should stick with what I have?

My only complaint about the Bullfrogs is that if you have short legs like mine, you struggle to find room on your seat post to accommodate it and a fender/beam rack/saddle bag/whatever.

Can anyone explain the differences between the low cost (not high powered) line of Knog lights? They all have identical specs (600 meters). It’s like they made the same light five or six times. I can’t decide and would like some factors to help me.

My problem with the Knog lights, is with the Bullfrog for example.  You need to pull the rubber strap over the catch.  However this catch is a little sharp at the edges, and I have already nicked the rubber strap on it.  I figure it is only a matter of time before the nick tears all the way through and then my light is useless.  :-(  The Skink appears similar in this regard…


If you’ve got the Bull Frog, then no, there isn’t a need to switch.  The Skink is slightly smaller than the Bull Frog not really in height, so it won’t be that much easier to mount. 

But if I could only keep one light, it’d be the Skink.  I might just buy another Skink in black for another bike, such is my vanity.


Maybe I’ll organize that for different blog entry, but for now I would recommend the Skink or Bull Frog but not the Gekko or Toad.  I’m indifferent for the Frog, and I’m still evaluating the Beetle.

Thank for the tip Mark. Are any of the lights suitable for handlebar forward facing mounts? I know they CAN be mounted but they say so themsleves that these are safety lights only. Can any (Skink, Bullfrog) do a decent job at illuminating a path?


Frankly, no.  At this time my favourite headlight is the Planet Bike 1W Blaze.  After years of Cateye, I think that the Planet Bike is superior for the mounting bracket, battery access, size, and light performance, as well as the fact that I can have my local distributor reps handle any warranties as opposed to calling Cateye’s phone contact.  There you have it: 1W Blaze and Skink, my personal combo.


Thanks a bunch. You have been a major help. I am off to order.

Frankly speaking, which are the good aa lithum battery brands that you would recommend? Sony?


Wanted to just come back and say thanks, again. I was in LA last weekend and went to REI just to pick up a Blaze. I also got a Skink from a bike shop on eBay. Unlike you, however, I am using a different combination. Blaze front and Superflash rear on my roadie and Skink front and Superflash (stealth) on my SS.