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Canting question

post #1 of 6
Thread Starter 
I have Volkl AC30's, which have the integrated Marker binding system. And I have Nordica Beast 10 boots, with the solid plastic bottoms.

At my local shop (which I generally trust), the tech guy said that the way they adjust for canting is to use some type of "cap" already built specifically for this ski/binding setup. That is, since the bindings are so integrated with the ski, there is no room for shims under the bindings. And with my boots, they will not grind/plate them for risk of going out of DIN.

Also, in the canting process they ask you to wear your boots and stand on a Biostance device, then use a variety of measurements/tests to determine the right cant - - and then put the appropiate "cap" on the binding.

These "caps" are $50 each, so for two of them it's $100 (but this includes all of their labor to do the right canting).

Is anyone familiar with this?

Any concerns or comments?

I am not a racer - - but a solid all-mountain skier. Mostly carving on the front, with some fun/adventuring off the back.


post #2 of 6
I've seen a few bootfitters that can plane the soles of your boots, and then build up the lugs on the top.
Here in New England there is Inner Bootworks at Stowe, and Green Mountain Orthotic Lab at Stratton.
The good thing about having them do it, is that they can put replaceable soles on your boots as well.
If you are anywhere near either of them, it would be worth the trip. If not, perhaps someone else can recommend a fitter in your area.

post #3 of 6
Grinding the boots, when done carefully, usually leaves them closer to DIN than "out of the box" since most boots are warped when new.
How do they "cap" a binding and keep it in DIN?
post #4 of 6
Ronski, you are not getting the whole truth from your shop. Since it sounds like the only option they have is the Biostance system, this is what they are equiped to do. The fact is Planing the boot soles and plating then routing the lugs is the most common method and returns the boots to better than stock, as stated above. I would do a bit more research before settling on biostance!

best of luck,
post #5 of 6
Ronski - During a clinic I attended last year, an invited equipment specialist utilized the biostance binding cant inserts for some on-snow alignment analysis. From your posting of the system in the ask the bootguys, it seems they have shifted the intended use/purpose of them from a diagnostic tool prior to sole planing and are marketing them as a "fix".

How they were used by the skishop owner/boot fittter/instructor was as a visual evaluation during skiing to observe the effect of specific cant on the skier. It does effect the delta angle. The clip-ons are heel only. Business cards are used in the toe to counter-act if needed during eval. The toe remains flat, heel is canted. Guessing there would be a bit of a "twist" to the boot sole if this were used as a method of acheiving whatever change to angles.

The point was to add another tool for diagnostics before making permanent changes to the boot sole.

Their ad states " Accordingly, a need exists for a simple canting solution that does not require skilled or highly trained technicians and that provides a fast, accurate, safe, inexpensive and widely available means for adjusting and optimizing a skier's cant angle. "

Which seems to indicate the ski shops/bootfitters who purchased their "diagnostic" tools/system are what ??? My thoughts are you would be on your own to figure out the cant angles you need, can't rely on the shop selling them to you because they aren't highly trained or skilled to figure out what angles your boots need planing to, at least according to "biostance", their supplier. Inexpensive ? $100. per set for 2 little pieces of plastic ? A qualified, skilled boot fitter can accurately and permanently dial in your boots to use in any ski binding. And your heel wouldn't be tweaked in relation to your boot toe either.
post #6 of 6
+1 to all of the comments re: boot sole planing, and planing the lugs to match. Done ALL THE TIME for race boots{and non race boots} by dozens of shops that have the back room equipment to do it. It's not complicated, but does require a bit of tech experience. For those in the business, it's a piece of cake. The comments that the soles will be more true, and fit your bindings better than out of the box are 100% accurate. Our daughter has had this type of fitting done for years. Our son has no alignment issues, but his boot company replanes everything flat, just to be sure. Often out of the box they've had almost a degree or so that they shouldn't. Plastic sometimes comes out of the mold without precision, I guess.

Depending on where you're located, I sure that folks can offer up suggestions for good specialty fitters. With all due respect, your shop is offering up their best option, not IMO the best option. Cant the boot, not the binding system and ski.
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