Skimo Co
SkyRun
ATK

ATK Kuluar 12 LT Binding

$499.95

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The middle ground. This oft-forgotten principle takes the good from the extremes and combines them into a solution that is often better for all involved. Imagine that! It was with this thoughtful approach that ATK created the Kuluar 12 LT. Turns out, the middle ground between race and touring bindings is a winner. By combining lightweight reliable U-Springs, adjustable lateral release, and elasticity in the heel, ATK has created a binding that can calmly handle whatever the day brings yet remain light as a feather(ish). Keeping with our theme, the ample boot-sole adjustment helps accommodate all your boots (so long as they are within 20mm of each other). Take the stress out of binding shopping and bring home the ATK Kuluar 12 LT - a binding that everyone around the holiday dinner table can agree on.

  • Alu 7075, Stainless Steel, and POM round out a hardy construction.
  • 20mm of BSL adjustment so you can spring for those new boots.
  • Three different walking modes give plenty of options to find that perfect middle-ground.
  • Included ski leashes and crampon receptors because choices are nice.
  • Elastic Response System compensates for ski-overflex.
  • Easy Entry System helps with easy toe entry. Wow!
  • Available in a softer 9 release value.
Specifications
Weight
convert to ounces
216g
Weight (pair) 432g
Boot Compatibility   Tech
Brakes (mm)   Leashes
BSL Adjustment   20mm
Riser Heights   Flat + 2
Vertical Release   Fixed
Lateral Release   6-12
Crampon Ready   Included option
Specs Verified Yes
Design
Materials   7075 aluminum, stainless steel, POM
Skimo Co Says
Usage Everyday touring, quickly
Notes Similar to the Trofeo race binding with more features
Bottom Line More ATK brilliance
Compare to other Lean Bindings

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Questions & Reviews

3/29/2022
Question from Boris
 
What's the approximate fixed value of the U fork that comes with this binding ?
3/29/2022
Answer from Jeremy L
 
Hi Boris. Unfortunately, we haven't had an opportunity to test this particular binding so can't say definitively.
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2/3/2022
Question from glen
 
Do these and the RT12 share the same mounting pattern?
2/3/2022
Answer from Ian C
 
Hi Glen, the RT12 does not exist as far as I know--the RT 10 would share the mounting pattern with the Kuluar, while the R12 (Raider) has a different hole pattern altogether.
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12/28/2021
Question from Simon
 
How is flat touring mode engaged on this binding? 90 deg rotation? If so, easy to do with poles?
12/28/2021
Answer from Tristan M
 
Hi Simon,

Flat touring mode is achieve by simply rotating 90 degrees. I would recommend using your hand to do so.

You may be able to rotate your heel using a pole via wedging your ferrule between the pins. However, that is a recipe for a broken pole!
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12/2/2021
Question from Rick
 
Also curious about this vs the Haute Route. Best I can tell, the Haute Route is lighter and has adjustable cam release in both directions (which seems like an advantage vs the U spring). Kuluar has the ski flex compensation and goes a bit higher on DINs (but for some of us, RV 10, RV 12, and locking the toe are all about the same…). Why would I pick one vs the other?
12/2/2021
Answer from jbo
 
Hi Rick, you've analyzed it pretty well. The only other functional difference is that the Kuluar has the possibility of adding brakes. It's also easier to adjust BSL which might come into play if you do that a lot. It might be splitting hairs for most.
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10/9/2021
Question from Paul
 
What's the heal/toe delta on these? How much do the optional breaks weigh?

Thanks!
10/11/2021
Answer from Ian C
 
Hi Paul,

We haven't received these bindings for the fall yet, so I can't tell you the exact pin height measurements. For what it's worth, ATK bindings hover around a delta of +11mm heel over toe, but we will update our Reference Article when we get a measurement on the Kuluar 12s.

For the brakes, ATK lists the bindings with brakes as 250 grams as compared to 200 grams without the brakes. Again, once we get these in the shop we can provide more precise numbers on our ATK Touring Brakes page.

Thanks, Ian
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10/7/2021
Question from Tristan N
 
Hi Folks - you describe why I'd choose this version over the Haute Route? Seems it's the toe that is different - is this double spring design stronger (retention) than the new cam version on the Haute. I'm interested in these for a DPS 124 (currently I mostly use Salmon MTN's) Thank you!
10/7/2021
Answer from Brett S
 
Thanks for reaching out, Tristan! Please give us a call and we'd love to chat about toe retention! We tested most bindings this summer and have quite a bit of data about this topic.
10/8/2021
Answer from Tristan N
 
Thank you Brett will do
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10/7/2021
Question from Anthony O
 
Hard question of the day, I have a lot of trab Titan varios, the original lean "elasticity" bindings (imo). I have them on all my skis and love them, and honestly have no complaints. My question is how much more perceivable "dampening" is coming from atks latest crop, from this model even up to the raider. It seems to be the same heel design across the board with different amounts of "elasticity." Will slapping these on, or any of the atks with elasticity, actually have a perceivable dampening benefit? I know that the original Vario is lateral elasticity vs the fore aft of the gapless atks, but given that trabs toe pieces have higher retention/built in lateral elasticity wouldn't it overall provide a smoother feel?

TLDR, I want a 300g ish or less binding that is as damp as possible. Worth replacing my trabs or "inconclusive?" The dampening I want is not dampening from hucking myself off things, but damping when the snow is disgusting and chattery.
10/7/2021
Answer from jbo
 
Hi Anthony, happy to see you doing this level of analysis! We have thought this through extensively. Interestingly, the ATKs are not gapless...the ERS only activates after the 4mm gap is fully closed. How often does that happen when skiing disgusting snow versus a hard landing? Certainly less. How often does this happen compared to the Vario 1 with a 5mm gap? Likely more, noting the max lateral return-to-center angle is still higher in the Trab.

The meat of your question may be about the frequency of longitudinal elasticity engagement of the ATKs compared to the Trab Vario.2, Marker Alpinist, or brakeless Fritschi Xenic (all gapless < 300g)? This is certainly less.
4/7/2022
Answer from Andy
 
Thanks, Anthony for asking this question, and thanks jbo for the answer. I also love light bindings, and I love damp bindings.

If I am reading it correctly, the summary would be that a gapless binding will provide better vibration dampening on chattery variable snow. Of the three you mentioned (Vario 2, Marker Alpinist, and Xenic), which one provides the best dampening do you think? Would the G3 Zed be better or is it about the same?

A second follow-up question: Why do the gapless binding provide better dampening? It seems like the boot would slide along the U-springs in a gapped binding easier than the binding would move in a gapless binding? Or does it take more force to move the boot along the U-spring when the ski is flexed thereby pinching the boot to the U-spring?

Thanks for all the info!
4/7/2022
Answer from Ian C
 
Hi Andy, I saw your comment and felt inspired to weigh in. You can find skimo's writeup on zero-gapped bindings here: zero gap tech bindings

An excerpt reads: "No gap between the boot heel insert and binding housing adds that spring's resistance to the flex of the ski. The boot heel insert does not move nearly as much on the binding pins, which results in a more consistent release value throughout the flex of the ski. An added benefit is that the spring in the track adds rebound to your ski, providing energy as you come out of a turn."

Another factor contributing to a binding's overall dampness is lateral toe elasticity (claimed by the Ski Trab and Xenic), which returns your boot toe to center when subjected to impact or chatter. Finally, the overall magnitude of elastic travel differs between these bindings and should appear in the product descriptions listed in mm.

For what it's worth, I mounted some Kuluar bindings yesterday and skied some jaw-chattering windboard confidently with them this morning!
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9/1/2021
Question from Mike voth
 
Is it possible to covert between 9 and 12 release springs?
9/3/2021
Answer from Teddy Young
 
Hey, thanks for reaching out! We're still trying to see if we're able to get these u-springs, but if you fill out our online Binding Finder form, we should be able to point you in the right direction!
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8/24/2021
Question from Ryan
 
These look awesome. I’m curious what your impressions of the toe piece are. I’m used to skiing the Trab gara and Salomon MTN with toes unlocked. I’ve never skied an ATK. Do you think these toe pieces are comparable?
8/24/2021
Answer from Zak M
 
Hey Ryan, thank you for the question. The ATK toe pieces are of the utmost quality and some of the easiest toe pieces to step into and the action of the lever is fantastic. Overall very comparable to the Ski Trab and Salomon toe pieces. Let us know if you have any more questions!
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8/17/2021
Question from P G
 
How much elasticity does the Elastic Response System have?
Does the material in the front of the heel pins act as a "freeride spacer" like in beefier ATKs?
8/17/2021
Answer from Cole P
 
Hey PG, the Kuluar has 10mm of elastic travel. This binding does not have a freeride spacer or anything similar on the heel.
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Model: Kuluar 12 LT UPC: 8051406194420

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