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Top Racer's Cant Angle Range ?

post #1 of 3
Thread Starter 

For all you boot fitters that work(ed) on Elite racers' boots.

Are the top racers set up a little on their inside edge or outside edge and by how much?

What is the range of the cant angle and which is the most common?

Do you use the boot mold seam aligned with the measured center of the knee as a zero angle point?

Do they have different canting setups for different events or courses?

If so do they make these changes by changing the shaft angle or do they have different setups on different pairs of boots?

And if it doesn't compromise any confidence, who did you set up and what are their angles?

Thank you in advance.

post #2 of 3

I believe the reason you have not received a reply is that there is no short answer to your query.  There are individual morphology factors and personal preferences that vary the angles racers prefer.  In general a racer may like slightly stronger edge angle set-up for slalom and slightly softer edge angles for speed events.  


Most skiers are asymmetrical and have different needs for each foot/boot.  On the frontal plane I consider four angles when assessing and modifying equipment with a very set methodological order.  First the foot/ankle position on the longitudinal plane (adjustments made with footbed and boot board), second, the cuff alignment to match lower leg shape, then boot sole cant to position knee in desired location, and lastly the base bevel.  All four of these parameters affect frontal plane performance (edging).


Elite racers will often test tunes and bevel angles for different courses but likely not mess with boot mods for a particular course, though they may have a different boot set up for different disciplines.


hope this helps.


one note: you asked about changing shaft angle changes.  the cuff angle or shaft adjustment is used to accommodate the curvature of the skier's lower legs rather than to affect knee position.  Knee position should be corrected with sole cant angle.

post #3 of 3
Thread Starter 

Thanks for your reply Mr. Heishman it helps greatly! What you say substantiates what I have found in other places. Of the four areas of adjustment you mention the boot board, foot bed, would be adjusted to correct for pronation/supination (and such), and the shaft angle for lower leg variation, those adjustments have a goal of “neutralizing” foot and leg abnormalities. The effect of ski tuning on edge grip is another question that I was separating out of the boot sole cant angle question, though I understand your point. It could be argued that the goal of adjusting the boot sole cant angle is to correct stance abnormality and square the sole with respect to the knee center and not to increase edge grip any more than the other corrections you have named. I was wondering if some of the top dogs might be a degree or more on their inside edges for Slalom and less for GS and where exactly is the neutral measurement taken from? I also understand and agree with your caution that shaft angle “Canting” is intended to correct for lower leg variation but I was thinking that very small changes in sole cant angle may be made there to fine tune for different courses or conditions.

From what I have read some fitters align the center of the knee mass with the boot mold seam and some align it with a mark about 1 cm medial to the mold seam.  There is probably half a degree of difference in the two measurements. Which is correct in your view?

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