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Canting compensation

post #1 of 5
Thread Starter 

One of my legs requires more canting adjustment than the boot offers. A new pair of boots allowed more than previous and it is much better. But could still use a bit more. Hacks and fixes? 


Its a cabrio style shell and there are two screws that connect the upper shell to the lower. The one on the outside of the ankle (ie, right side on the right boot and left side for left boot) loosens and slides up and down in a channel to adjust canting.


I am considering boring the upper reach of that channel a bit to achieve greater canting and get my sole completely flat. I bet it would only take a mm or two. 

What do you think of this idea? Have any others?


My bootfitter mentioned planing the sole of that boot, but my idea is simpler and free.

post #2 of 5

as long as the inside of the bold is not going to slip or fail, try it?  (at your own risk)


I assume you have a good supportive footbed and you are not moving around in the shell (the boot is the right size)

post #3 of 5

Your idea and canting are not really the same thing although I know boot manufacturers and the public regularly refer to cuff alignment (what you are talking about) as canting.


Canting is what your boot fitter described and it performs a very different function from cuff alignment.


Canting changes the angle of the boot sole relative the top of the ski so that it is no longer parallel.  In other words it tilts the boot sole either in or out.  This also then repositions your foot which repositions your knee.  The purpose of canting is to alter your knee alignment relative the centre of the boot.


The purpose of cuff alignment is to align the angle of the cuff to match the angle of the tibia.



post #4 of 5
Thread Starter 

Thanks for the good answers.


The liner laces up so fit is nice and snug. The footbed is great. Not a custom orthotic, but better than Superfeet.


I follow the distinction between canting and cuff alignment. Kind of like how people call Titanal "titanium" when it is actually an aluminum alloy.


Anyway, it seems like the question is really about matching the geometry of my leg-foot. My bootfitter talked about how he would determine that and sounds pretty straightforward for someone with experience. I may have him do that next fall.


It seems to me that it is as much about arch support and pronation as the angle of my tibia.  


PRONATION:I mentioned that these boots are better than my previous. It might be the superior footbed has as much to do with it as cuff alignment. In the new boots, if I was going in a straight line and I concentrated on supinating slightly that foot (which would approximate neutral), I could track a nice stable perfectly straight line, which was never possible before. Previously, that foot would want to naturally rail on the inner edge ever so slightly and would give me a subtle lateral wobble in that ski. I never wanted to ski straight because I could compensate for all this when the ski was on edge. 


ANGLE: In support of the tibia angle is the fact that, in my previous boot, the tongue on that foot always rubbed the inner edge of the shin a little. Not enough to make a blister normally, but enough that I felt it after skiing. I take that to mean that the boot cuff and tibia rode at slightly different angles.


The bottom line I think is that it will be worth it to get all this measured next fall. I know there are exercises that can help with pronation and I plan to work on that this summer.

post #5 of 5

You have two very good boot fitting shops close to you and both are on Epic.  Starthaus and Bud Heishman (Snowind, I believe) in Reno.



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