Skimo Co
SkyRun
ATK

ATK Binding Parts

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Whether it's replacement parts or additional accessories, here are all the bits and pieces we have collected for your ATK bindings.

Titanium U-Springs - Pair of titanium heel forks for the SL World Cup and Revolution bindings. Also works with the Hagan Ultra, ZR, and BD Helio 110 bindings. Available in standard stiffness and "lightweight" for lighter folks.

Rolling In U-Springs - The most advanced forks on the market. Made of titanium with rollers on the end to reduce wear, ease step-in, and smooth the forward release function. Choose from standard or lightweight stiffness / skier size.

Trofeo Spring - These are the replacement springs for the Trofeo binding. Comes as a pair and includes screws required for installation. Black Diamond was even nice enough to include instructions in the bag.

Race Flaps - These are the race flaps that let you change uphill/downhill modes on ATK race bindings (SL and Revolution). Also works with Hagan Ultra, ZR, and BD Helio 110 bindings. Sold in pairs in multiple colors.

Crampon Slot - Aluminum - For those of us who'd like an option to add some ATK or Black Diamond compatible crampons to our setup, here's a removable receptor. 8 grams per side, plus screws.

Crampon Slot - Carbon - If you need extra bite, these receptors can be added to the C-Raider or Candy bindings. Seven grams each.

Crest Toe Shim - This is the toe shim designed for Crest, Kuluar, Haute Route, RT Evo, and Trofeo bindings. It is 4mm thick and comes with screws.

Crest Freeride Spacer - This is the freeride spacer designed to work with Crest, Kuluar, and RT Evo bindings. Please note this goes under the entire base assembly and will slightly increase the ramp angle. These ship with screws.

Raider Toe Shim - For our freeride category skiers who like a flatter setup, this binding specific toe shim reduces drop by 4mm on ATK Raider bindings. Includes longer screws necessary to mount. Note: Does not work with C-Raider or EVO toes.

Raider Toe Shim Evo - Designed to work with the Raider Evo series of bindings. These are 4mm thick and come with longer screws necessary for mounting.

Raider Freeride Spacers - The stomp pads that fit the Raider 10/12, C-Raider, Freeraider 14/16, DPS R14, Hagan Boost and Core Pro bindings. Towers sit on either side of the Anti-Friction plates on the brake. Not recommended for skis narrower than 95mm underfoot. These weigh 28g each.

Evo Freeride Spacers - Stomp pad for ATK Evo 11, 13 and 15 bindings. Not recommended for skis narrower than 95mm.

Universal Freeride Spacers - Works with any binding where the gap between the boot sole and the topsheet of the ski is between 14.5mm and 20mm. Spacer attaches directly to the ski. Adds 24g per ski and 2g in screws.

Candy 5 Heel Riser - Optional heel riser for the Candy 5 binding.

Brake Seat Cover - Optional cover for any ATK binding with the push-button style rear brake (for when you want to take the brake off). NOT compatible with EVO brake system (Raider Evo, RT 8/10 Evo). Sold in pairs. Only adds a svelte 4g per binding.

Binding Grease - ATK's original binding grease will help keep your heel tower mobile. Made from ATK's reused oil and lubricants to reduce waste.

Mounting Screw, 11mm - These are screws for mounting ATK race heel pieces (e.g. Trofeo, SL, Revolution) as well as adjustment plates. They are #3 Pozidrive heads with an ISO-standard thread pitch.

Mounting Screw, 13mm - Mounting screws for many ATK toes, such as Trofeo, Pure, Raider series.

4mm Heel Gap Spacer - A 4mm plastic spacer to help set your heel gap on ATK bindings.

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Questions & Reviews

2/16/2023
Question from Ethan
 
Putting together a take-along repair kit for ATK Crest 8 and 10 bindings. The manual shows 15mm screws for toes and 11m screws.

What screws should I get to have a few in case of emergency? Anything else for these bindings that would be good to carry?
2/16/2023
Answer from Patrick C
 
Ethan,

Forward-thinking is never a bad thing. We have found these bindings to be very reliable so there are no extra parts I would suggest bringing along. As for the screws, I think having a few for the toe might be helpful, but if a binding piece does come apart from a ski it's pretty tough to put back together in the field.
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2/15/2023
Question from Jesse B Kauppila
 
Hey!

I'm looking at getting the a freerider spacer for some Dynafit Blacklight pros I'm going to order from you.

I'm gonna mount some atk freeraider 12s on the bindings and would like to make sure that the Universal Freerider spacer will indeed work with these skis.

My understanding is that the freeride spacer won't work on narrower skis like these (80mm).

Thanks!

Best, Jesse
2/15/2023
Answer from Emmett I
 
Jesse,

The universal spacer measures about 67mm wide, so it should be fine on an 80mm ski. Narrower than 75mm might be questionable.

The Raider spacer is generally unrecommended for skis under 95mm.
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2/4/2023
David S (hasn't used product)
 
Ordered the 15mm mounting screw. Seems well made however the head is shaped in non conical shape and therefore does not fit properly with Trofeo binding toe piece.
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1/21/2023
Question from Jordan
 
Can the freeride spacers be mounted after the binding has been installed (and had the heel remounted) ?
1/21/2023
Answer from Gabriel I
 
Hi Jordan, you'll need to remove the heel to install the spacer, but you won't need to drill any new holes. Drop some wood glue in the holes when you put the binding back in if you're doing this yourself!
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1/10/2023
Question from Nick
 
I am interested in the Universal Freeride Spacers. I ski the Hagan Core 10 bindings which have the same heel setup as the BD Helio 200s (w adjustment plate). Will these mount to the bindings and if so, how? Or do they mount directly to the ski? Thanks
1/11/2023
Answer from Brett S
 
Hey Nick, the universal spacer will install directly to the ski!
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1/4/2023
Question from Caleb G
 
I need some advice… My Hagan pure 10s are not allowing me to stow the brake for uphill mode. They are a couple of years old now but seem to be in good shape. For a little while I was able to reef on the brake arms a little to get the button to seat, but now I cant get either to even begin to latch. I have finally pulled them off and made sure they are clean and lubed, but this still hasn’t solved the issue… Im likely just going to buy the brake covers and go brake less but Im curious if anyone has a hack on what I might be missing here… nothing looks bent… everything is intact and as it should but the damn things wont stay up
1/4/2023
Answer from Emmett I
 
Caleb,

I haven't heard of this happening before! If you'd like, send us a few photos of the brakes at help@skimo.co and I can have a look.
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12/27/2022
Cyw (used product regularly)
 
I've been using the ATK Freeride spacer with Ski Trab Titan 2's. First off, to use the Freeride spacer, you need to have plenty of space under your heel. it won't work with lower stack race heels, even with an adjustment plate. You need 12ish mm of space between your heel and your topsheet.

If you have that space, awesome! The Freeride Spacer is a bit of a PITA to install and adjust, so fiddle with it and budget some time and frustration. I'd call this a 1.5 beer job. It helps a lot to jam an extra screw in one of the cutouts to keep the sliding platform out of the way.

Once it's installed and adjusted, make sure NOT to stand on it without your toe in the binding. The first time I used them I was transitioning in deep snow and tried to step up, onto my ski before I clipped in. I stood on the spacer, it slipped, all the way sideways, and exploded! Luckily, both parts (the plastic top, and the spring) landed on top of the snow, and I put them on my pocket. At home, I found that there's only a light pressure fit keeping that top slide part on. If you slide it too far one way or another, it will just slide off, and the spring will slide out. Luckily, it's easy to put back together.

So, don't over freeride your freeride spacer! Otherwise, it's a nice, lightweight add-on that made a noticeable difference in power transmission right out the gate!
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12/11/2022
Question from Seth
 
Is the Raider toe shim compatible with the new Raider EVO?
12/13/2022
Answer from jbo
 
Hi Seth, the EVO is not distributed in the US so we cannot verify, but it looks like a definite maybe!
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12/5/2022
Question from Michael
 
I have marker racing bindings that have a missing heel place screw. Do you think the 11mm screw would work?
12/6/2022
Answer from jbo
 
Hi Michael, if they measure 11mm that should do the trick!
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12/4/2022
Question from Ben
 
I have a pair of R14's that I am planning to mount without brakes, and with the included freeride spacer. Is the Brake Seat Cover compatible with the Raider Freeride Spacers? Thank you.
12/5/2022
Answer from bruno wick
 
Hi Ben,

Yes, they are compatible.
12/5/2022
Answer from Emmett I
 
Hi Ben,
The Raider Freeride Spacer should be perfectly compatible with the brake seat cover. The covers don’t take up any more room than the brakes.
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11/28/2022
Question from Chris S
 
This shim is meant to mount beneath the brake lever on a R12 heel piece. I'm confused why this was built this way or what would be there if the shim is not in place.
11/29/2022
Answer from Tristan M
 
Hi Chris,

That shim is in place to prevent snow build up and icing under the heel. I would not call it a structurally essential part, but I recommend mounting the Raider with that shim in place.
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11/22/2022
Question from Chris
 
Do you plan on getting any of the (Helio 350 -compatible) Raider 12/Freeraider 14 Freeride Spacers in stock soon?
11/22/2022
Answer from Emmett I
 
Hi Chris,
We are hoping to have more of the Raider Freeride Spacers in stock in a week or two!
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11/18/2022
Question from Jeremy Allyn
 
What is width of the freeride spacer? Is the ski width recommendation of >95mm
fairly conservative? Thinking of these for Dynastar M Tour 99s
11/18/2022
Answer from Tristan M
 
Hi Jeremy,

Looks like the ATK Freeride Spacers measure at about 67mm wide. You will be completely fine on the Dynastar M-Tour 99.
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11/15/2022
Question from Zesheng H
 
Hi: skimo

my questions are:
1. is it necessary to add freeride spacer, or it's the case for aggressive skier?
2. when the binding installed with brakes, in which boots having contact with break levers, can fill the gap between boots and ski sheets. Can I say it provides similar function of freeride spacer, at lease in some bindings (like atomic backland bindings with brakes)?
3. do you need brake installed to add the freeride spacer for (ATK raider binding), or can be installed without brake? my guess only need brake seat cover or brake pad (see image) to properly fasten the spacer?

Thank you
Zesheng
11/15/2022
Answer from Jeff
 
Hello Zesheng,
1. The Freeride spacer is definitely an option. Bigger skier and wider skis would benefit from them.
2. With most brake bindings, the heel of the boot doesn't have a lot of contact with the AFD plate. The Freeride spacers are further outboard and have more boot contact.
3. You can use the Freeride spacers without the brakes. The Brake seat cover isn't entirely necessary, But that depression seems to be perfect for snow to pack in and buildup there.
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10/25/2022
Question from Ben
 
Why wouldn't the Raider toe shim work with the C-Raider? They have a narrower set of front holes to accommodate their slightly different mount pattern vs. the regular Raider
10/25/2022
Answer from Jeff
 
Ben, You are right, the mounting holes do match. The shape and the raised ridges do not match up. You could trim the ridge at the toe. Only possible issue is the tip of the C Raider toe piece will not be supported. And that is where the Ski/walk lever is. Which could reduce the leverage to lock out the Toe in walk mode.
10/25/2022
Answer from Ben
 
Thanks Jeff! Why did they make the narrower set of front holes if its not designed to be used with the c-raider toe? It feels like you need a phd to understand ATK's product line
10/25/2022
Answer from Jeff
 
Ben, the Raiders had two different mounting patterns and we will not get into that story.
10/26/2022
Answer from Eric N
 
Is there a different toe shim that you recommend using with the C-Raider? Maybe the classic shims? I'm looking to reduce the delta a bit on my C-Raiders.
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10/23/2022
Question from Gabe
 
Are these compatible with the helio 145 bindings? Looking to swap for a 6 value.
10/25/2022
Answer from Jeff
 
Hi Gabe, If you are talking about the TI and Rolling springs, they aren't designed for the Trofeo/Helio 145 binding. And wouldn't change them to a 6 release heel. The 6, 8 and 10 release is in the actual heel piece, not just the U spring.
1/13/2023
Answer from Abc
 
Is it confirmed that the rolling-in springs aren't compatible with the Trofeo? It appears ATK now makes a version with the rolling system (the brake version) and this makes it seem plausible that there is cross compatibility (though I know very little about the Trofeo, just seems like this might be a good upgrade)
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10/8/2022
Question from Ian
 
What are the release values for the "standard" and "lightweight" springs?
10/8/2022
Answer from jbo
 
Hi Ian, ATK targets 9 and 6 respectively, but it may vary a bit based on your boot sole length.
10/8/2022
Answer from Ian M
 
Thanks! Will either work with the Kuluar 9? Or just the standard springs?
10/8/2022
Answer from jbo
 
Hi Ian, no, the Kuluar uses longer steel springs like the Trofeo. We're hoping to get those in stock at some point.
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9/20/2022
Question from Ryan G
 
Hello,

I have a pair of ATK race bindings I got from a friend used. They used them a lot and so have I. I have been skiing them on a pair of Scarpa Alien 3.0. At the end of last season I started noticing I had more vertical play in the heal connection between the boot/binding. I tried repositioning the heal piece many times on the adjustment plate but the play remained. Is it possible that I have worn down the U-spring to the point that I am getting this play and that new U-springs could be the fix? I never knew what they looked like new, but they are definitely grooves worn into my U-springs, making me think that perhaps they are just worn down.

Thanks for the advice. I am optimistic that I can just buy a set of U-springs from you guys and keep rolling with these bindings.
9/20/2022
Answer from Cole P
 
Ryan, if your U-springs have deep groves that can explain the vertical play. You will want to get the Titanium U Spring under the drop-down menu. I would also check your boots heel tech inserts which can get worn as well. Also double-check that your heel gap is set at 4mm when you install the new U-springs to be at manufacturer spec.
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9/15/2022
Question from Josh
 
I would like to setup my ATK C-Raiders with Freeride Spacers and without brakes. Do I also need the Brake Seat Cover to prevent snow buildup, or will the Freeride Spacer serve this purpose by itself?
9/15/2022
Answer from Cole P
 
Hey Josh, the ATK freeride spacer does not include the brake seat cover. If you are concerned about ice build-up we recommend buying the brake seat cover as well.
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8/5/2022
Question from Michael K
 
What is the advantage of the brake seat cover vs. the freeride spacer, if the latter also allows the boot to rest on the ski instead of the pins and transmit power more directly? Does the cover protect better whatever is exposed after removing the brake?
Also, can you explain how exactly the power transfer via the freeride spacer improves the preceived quality of power transmission, or the quality of the ride? The boot bottom is usually stiff, so I have a hard time imagining how it makes a difference whether power is transferred via the pins or via the sole.
Also, is the freeride spacer compatible with the brakes installed simultaneously?
Also, would the freeride spacer increase the longevity of the boot and/or the pins in the long run, as the weight rests on the spacer rather than on the pins?
Thanks for your help!
8/5/2022
Answer from Ian C
 
Hi Michael, the brake seat cover is a single piece of static plastic used to fill the aperture once brakes have been removed from an ATK heel. Its purpose is to ensure snow buildup does not occur underneath your heel pins. By contrast, the freeride spacer consists of two anti-friction plates mounted on either side of your brake pad (or where your brake pad would be if you already removed the brakes). By increasing the friction-free surface area against which your boot outsole comes into contact, these spacers provide a grounded feel vs. the more static sensation caused by levitating a few mm off your ski topsheet.

To answer your other questions directly:
- It is completely plausible that freeride spacers improve the longevity of the pins or boot inserts in the long run, but I have no evidence to support this. The primary advantage is ski feel.
- The spacer and brakes can be installed simultaneously. This is the most frequent setup you will see on full-featured ATK bindings where brakes come by default.
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