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Fore-aft adjustment on Marker Motion M10 Bindings

post #1 of 7
Thread Starter 

So I'm trying to make a pretty significant fore-aft adjustment on my wife's 149cm Volkl 724 Gamma skis that have the Marker Motion M10 bindings (the skis are circa 2004-2005).  From the pictures, you can see that the center of the running surface (CRS, Sharpie mark) is substantially ahead of the center point of the ski (the mark just to the left of the "149"), by about 3.5 inches.  The problem is that my wife has very small feet (women's 5.5, 265 BSL) and from the center of her foot to the ball of her foot is only about 2.25".  So that puts her BOF about 1.25" (~3cm) behind the CRS.  The last time she was on the skis, she said that she felt too far back, so I'm trying to do something about it.

 

The boot size selectors insert from the bottom into the toe and heel pieces and lock together with a tab, and then this system slides onto the rail and is locked in place by a pin that goes through both boot selectors and notches in the rail that are built into the ski.  The rail has 4 sets of notches, all but one of which is useless because it you were to try to use them, either the toe or heel pieces would not be fully on the rail.  The best that I can do is get her about 1cm farther forward by setting the rear boot selector in the 260 position and the front in the 280 position, then taking up the gap with the forward pressure adjuster.  With the front boot selector in the 290 position, the forward pressure adjuster doesn't have enough travel to allow the screw to be flush with the boot engaged.

 

Is there something I'm missing here, or this a limitation of this particular binding system.  If so, I'm pretty disappointed that 1 cm of adjustment is all that can reasonably be obtained.  Thanks.

 

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post #2 of 7

From my memory of adjusting those you've got it figured out. You can only play so many games with boot position with these system bindings and starting with boot that's on the very small end of the range the binding can accept limits you even further. 

post #3 of 7
Quote:
Originally Posted by savechief View Post

So I'm trying to make a pretty significant fore-aft adjustment on my wife's 149cm Volkl 724 Gamma skis that have the Marker Motion M10 bindings (the skis are circa 2004-2005)....

 

The boot size selectors insert from the bottom into the toe and heel pieces and lock together with a tab, and then this system slides onto the rail and is locked in place by a pin that goes through both boot selectors and notches in the rail that are built into the ski.  The rail has 4 sets of notches, all but one of which is useless because it you were to try to use them, either the toe or heel pieces would not be fully on the rail.  The best that I can do is get her about 1cm farther forward by setting the rear boot selector in the 260 position and the front in the 280 position, then taking up the gap with the forward pressure adjuster.  With the front boot selector in the 290 position, the forward pressure adjuster doesn't have enough travel to allow the screw to be flush with the boot engaged.

 


Considering the probable size/weight of your wife, I wouldn;t hesitate to move the toe forward another notch and let it hang off the rail a bit (assuming that the heel track stays full engaged when its moved another notch.)

There's just not enough upward force at the front of the toe to worry about... There's enough practical track engagement if the toe piece overhangs by about 1 cm or so.

Not enough force to cause any discernable issues. If she was 300 lbs I might worry a little...

I'd go for the next tab and not worry - the improvement in ski feel might be well worth it.

 

post #4 of 7

That is a wacky system. That's all I have to say.

 

 

 

 

 

 

post #5 of 7

+1, not a fan of the M10 systems but do what moreoutdoor said and you should be fine.
 

Quote:
Originally Posted by dwoof2 View Post

That is a wacky system. That's all I have to say.

 

 

 

 

 

 



 

post #6 of 7
Thread Starter 
Quote:
Originally Posted by RaceDude View Post

+1, not a fan of the M10 systems but do what moreoutdoor said and you should be fine.
 


I'll give that a shot, but I think that the toepiece is going to significantly hang over the end of the front of the track.  No harm in trying, however.

 

 

post #7 of 7

When you do, post a picture.  I'm curious now.

 

Quote:
Originally Posted by savechief View Post




I'll give that a shot, but I think that the toepiece is going to significantly hang over the end of the front of the track.  No harm in trying, however.

 

 



 

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