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High Back Rotation Question!

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JYM View Drop Down
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  Quote JYM Quote  Post ReplyReply Direct Link To This Post Topic: High Back Rotation Question!
    Posted: Dec/07/2012 at 7:32am
I have the 2009 K2 Formula bindings and recently went 15 and -15. I heard that making the high backs parallel to your board is ideal. I tried doing so, but these high backs just wont rotate enough for me to screw them back on; the holes dont allign when parallel to the board edge so its a problem. The only thing i can think of is drilling a new hole into my high backs but i really rather not. Anyone have an idea on how to set this right?

Also i have stiff bindings, really stiff and a tall high back. I heard somewhere that making the high backs parallel to the board wont make much of a difference if you have really stiff high backs. In which, i do, so that being said should i just leave them as is?
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  Quote Angry Midget Yo Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 8:33am
I just remember people saying that you need to have really strong hands to do this, I don't remember anything about having stiff or soft highbacks.
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  Quote JYM Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 10:54am
strong hands to do what? Adjust the bindings?
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  Quote Angry Midget Yo Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 11:03am
Strong hands to turn and adjust the highback I'm guessing.
Sessions sucks hairy monkey balls, the end.
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  Quote JYM Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 11:31am
Its not because i dont have strong hands, its literally the holes dont re-allign back...so i would have to leave one side of the highback unscrewed.
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  Quote spenser Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 12:18pm
if anything, it's more important to rotate a stiff highback than a less stiff one.  a softer un-rotated back will flex out of the way, but a stiff one won't want to, so they will try to stay in the way of the A that your legs make.
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  Quote AJD13 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 12:19pm
I think what angry midget is saying is that you need to have really strong hands to bend the highback to get the holes to line up... 
It comes and it goes, get it while it lasts.
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  Quote keljai Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 1:01pm
Parallel 90 degrees as in? You doing some extreme directional carving? 

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  Quote spenser Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 1:31pm
parallel to the board edge.  when you lean into a heelside turn, you are leaning straight back  if you have your bindings at an angle (like everyone does), then your highbacks are at an angle relative to the way you lean for the turn.  by rotating, you are leaning straight back into them where they are most supportive (for almost every highback out there), and it also gets them out of the way of the A that your legs make while standing on your board.

that has nothing to do with the problem he's having, but that's not what i was answering, hah..
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  Quote JYM Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 3:04pm
Okay, well after reading all of your comments, im even more confused now. Even with really strong hands, i dont think these high backs will bend; rather they will break or crack if tried. Im just going to free ride along with some freestyle, no black diamond steep terrain of any sort.

I have two screws on each side of high back that alligns along with the back of my bindings. Whenever my high back is rotated parallel to the edge of my board; one of those screw hole wont re-allign with the hole of my bindings. I dont know if you can ride like that but i hardly doubt its any effective since one part of your high back will be dangling.

EDIT:
I somewhat managed to get it parallel. Not entirely but mid way. Now the problem is that the highback is arched forward, giving me a unintended forward lean. Unintended and also a lot of it so this wont work either way. This is frustrating.

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  Quote JYM Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 3:10pm
Originally posted by spenser

and it also gets them out of the way of the A that your legs make while standing on your board.


What does the "A" mean? Actually what does this mean?

Nvm, after some careful reading i got it, sorry!
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  Quote spenser Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 3:11pm
i wish i could help you with the actual problem, but i'm not familiar with k2 bindings.
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  Quote bataleon155 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 3:56pm
some bindings have really limited rotation you can do to the highback. in your case, just get it as far out as you can. and the forward lean is un-avoid-able with rotated highback, especially a stiff one. try to push the highback in with your hands, if you can push it back to netural (zero forward lean or whatever angle that bindings have). you won't have any problems at all.
my flux distortion have quite a bit of forward lean after i rotated the highback, but i didn't feel it on the hill because the highback can sit back far enough with my boots strap on without causing any discomfort.

hmmm... Now What???   
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  Quote coolz Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 5:18pm
Originally posted by keljai

Parallel 90 degrees as in? You doing some extreme directional carving? 



not the binding itself, just the highback lol
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  Quote Lux Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 6:48pm
Originally posted by JYM

Okay, well after reading all of your comments, im even more confused now. Even with really strong hands, i dont think these high backs will bend; rather they will break or crack if tried. Im just going to free ride along with some freestyle, no black diamond steep terrain of any sort.

I have two screws on each side of high back that alligns along with the back of my bindings. Whenever my high back is rotated parallel to the edge of my board; one of those screw hole wont re-allign with the hole of my bindings. I dont know if you can ride like that but i hardly doubt its any effective since one part of your high back will be dangling.

EDIT:
I somewhat managed to get it parallel. Not entirely but mid way. Now the problem is that the highback is arched forward, giving me a unintended forward lean. Unintended and also a lot of it so this wont work either way. This is frustrating.
I think that it's important for you to understand what you are trying to accomplish, first. Highback rotation is a theory to help reduce pressure points of the calf against the high back (called calf bite) and to improve response when leaning back for a heelside turn. I say theory because its necessity has been reduced or eliminated with many of today's bindings by the prevalence of asymmetrically- shaped and/or -flexing highbacks. 

If you still want to do it, you don't need to rotate it until it is perfectly parallel to the board edge. 
In most cases, you won't be able to make it parallel anyway because, as you've experienced, there is not enough range in the mounting points to allow for it. You are getting unwanted forward lean because the inside mounting point for the highback is set too far back, pushing the highback beneath the heelcup. It will happen to most bindings. Back it off one step or get used to riding with forward lean.

You don't need to crank your highback as parallel as possible. Today's highbacks are soft enough to conform to your mass. Semi-parallel is good enough for what you're attempting to achieve. Unless you're leaning back aggressively with an immense amount of energy for carving, it won't make a difference. Highback rotation is more effective for stiffer bindings. I ride 21°/-21° and my Flux SF45 highbacks are not perfectly parallel either. I also suffer some forward lean from reaching maximum rotation, but I'm quite used to it for my aggressive ride style.
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  Quote JYM Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 8:05pm
Thanks guys for your effort and input! Lux you explained it perfectly and now i fully understand, thank you. I just got caught up in the whole high back theory it was making me paranoid that i wasnt achieving maximum results with my bindings. I'll make them as parallel as possible and just leave it at that!

Good day!
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  Quote MikeD13559 Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 8:06pm
The problem is that the K2 Formula highbacks are very stiff and not asymmetrical.
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  Quote 2zz Quote  Post ReplyReply Direct Link To This Post Posted: Dec/07/2012 at 8:40pm
K2 have 3 holes on each side of each binding. That's it. I have k2 as well and mine came with the highbacks offset one notch already and it's fine with me.
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