Skimo Co

ATK SL World Cup Binding

$599.95 $499.95

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As race bindings got lighter and lighter over the years, your options for release values started shrinking. In other words, you got a fixed release system and it either worked for your or it didn’t. The engineering maniacs at ATK were the first to reverse that trend, offering multiple spring strengths in the Trofeo, for example. Similarly, in the uber-light titanium realm, ATK birthed the SL World Cup and its SL Lightweight (LT) sibling. Each binding achieves a coveted sub-120gram weight and reliable performance, differentiated only by target release values. The SL World Cup is designed for average sized skiers with release values of 8 laterally and 9 vertically, while its pretty blue LT (RV 6) sibling is aimed at smaller folk with release values of 6 laterally and 7 vertically. Whichever version you choose, you will enjoy the benefits of stepping into the patented Easy Entry System and the (also patented) Rolling-In U-springs. The latter aid in engaging your boot in the heel piece while preventing wear on the titanium itself. Aptly named by ATK, the SL stands for Super Light and the World Cup stands for "this binding will put you on the podium."

  • Patented Easy Entry System is some of the smoothest toe action in the business.
  • Rolling-In U-springs make for easy step in and significantly reduce pin wear.
  • Simple heel flap for uphill mode is adjustable in tension and replaceable.
  • Two options for release values helps match with your size and ski ability.
convert to ounces
Weight (pair) 226g
Boot Compatibility   Tech
Brakes (mm)   None
BSL Adjustment   Accessory plates
Riser Heights   1+flat
Vertical Release   7 or 9
Lateral Release   6 or 8
Crampon Ready   Removable Accessory
Specs Verified Yes
Materials   7075 aluminum, titanium, Polyoxymethylene (POM) plastics
Skimo Co Says
Usage Skimo racing, beating your friends uphill
Notes Rollin-in U-springs make stepping in easier and reduce wear on the heel
Bottom Line Another option from ATK that makes skimo racing more approachable to a wide variety of skier types
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Questions & Reviews

Ben (used product a few times)
These are great bindings. Now that the original Trab Vario bindings are no longer available, they are probably the best on the market. I LOVE the rolling-in-system, it is a fantastic way to save weight and I believe it provides more consistent vertical release compared to other U-spring bindings. The heel is difficult to rotate. Flat mode is kind of a challenge - when set up at factory recommended settings, your boot will drag on the heelpiece. Some people will mount the heel 1mm back from factory recommended to avoid this. I just choose not to use flat mode, which is not an issue in the Wasatch. Also, the finish on the toe lever will get scratched if you press it with your pole tip, just like all ATK bindings.

Note that the "SL World Cup" binding and the blue "SL LT World Cup" are separate models which are both included on this page. I wonder if the Revolution toepiece is as solid in the backcountry as the proven toepiece on this model. Its only a 5g weight difference and I don't really want to be the guinea pig there.
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Question from ddlp

The binding comes with a 4mm spacer but I have heard that they need to be set to 5-6mm to run flat. Is that correct? Thanks, Dave
Answer from Tristan M
Hi ddlp,

I would recommend adhering to a 4mm gap with ATK SL World Cup Binding. A gap of 5 or 6mm will significantly lower your release value. On a flat or convex slope, you should not run into any issues with heel rub at a 4mm gap. Walking over a concavity that flexes your ski is a circumstance where you could experience some heel rub.
Answer from David d
That makes sense. Thanks, Tristan.
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Question from mkg
are there atk or other compatible brakes for these bindings?

Answer from mkg
and it looks like yes...

if i wanted to address ramp angle, which i'd probably want to do (so many grams!), can you confirm which plate i'd need for the front?
Answer from jbo
Hi mkg, yes you found the brakes. There isn't a specific front shim for these, but you could use a B&D Classic.
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