EpicSki › The Barking Bear Forums › On the Snow (Skiing Forums) › Ski Gear Discussion › what is a boot flex, how do you use them ?
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what is a boot flex, how do you use them ?

post #1 of 6
Thread Starter 

Don’t know if this thread needs to be in ski technique or ask the boot guy? Any how I recently got a Nordica speed machine flex 120-130, I can flex it ok in the shop, but feel stiff in the mountain.

So the question is when do I need to flex the boot ? how do I know if this boot has adequate flex ?

 

Thanks for the help

post #2 of 6

A boot with a 120-130 flex is on the stiff side....its a high performance boot approaching a full on race boot.   Naturally in the warm shop the boot will flex easily.  On the mountain, the plastic of the boot will firm-up and the boot will feel much stiffer.   As far as if its right for you, well that is for you to figure out based on how they feel on the mountain while skiing....not while standing around....which is irrelevant and is just to gauge approximately how the boot flexes not how they will actually perform.

post #3 of 6
Thread Starter 

thanks for the reply, but when do I really need to flex the boot, as I don't seems to do that while skiing ( bad ?)

post #4 of 6

You only need to flex the boot when you need to flex the ankle to maintain fore/aft balance in an effective manner. 

post #5 of 6
Quote:
Originally Posted by Skidude72 View Post

You only need to flex the boot when you need to flex the ankle to maintain fore/aft balance in an effective manner. 

As in skiing bumps where you are constantly flexing and extending.
 

 

post #6 of 6
Quote:
Originally Posted by RBC View Post

So the question is when do I need to flex the boot ? how do I know if this boot has adequate flex ?

 

Thanks for the help


The boot flex regulates the rate at which you can apply pressure to the ski.  It is primarily thought of as applying or removing pressure to the front of the ski but can effect lateral inputs as well.  Stiffer boots transfer the pressure quicker than soft boots.  You need to be aware that a stiff boot also requires more finesse than a softer boot and a higher level of skiing.  Stiffer does not equeal better.  You need to flex the boot whenever you want to control the ski.

 

Temperature greatly affects the stiffness of the materials boots are made from (ie. colder = stiffer).  So what works in the shop can be way to stiff on the mountain.

 

You should be able to flex the boot enough to get your knee over the toe.  You should check the stiffness by flexing both ankles at the same time.  Flexing both together is harder than individually because your weight is split in half.

 

All this of course presumes that your boots fit correctly.  Incorrectly fitting boots will make this harder, as will poor alignment.

 

Ken

 

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