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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sat Apr 12, 2014 4:50 pm 
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https://www.flickr.com/photos/123104645@N07/13809088404/lightbox/ Filed down the lean bar.
https://www.flickr.com/photos/123104645@N07/
Cut the vertabrae arm off on the medial side. Both mods need to be dremeled and sanded, maybe finished with spar. The boot feels good just walking around. Néed some bindings to go test these out.


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sat Apr 12, 2014 5:27 pm 
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Location: Colorado
Zude, thanks for sharing. I agree that removing material from the spar is probably a good idea. That thing is carbon yes? I would want to leave only the part of the spar which functions to provide the "highback" support, to allow the boot to flex well laterally and medially.
Let us know how it flexes when you get a binding to clip into.

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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sat Apr 12, 2014 5:42 pm 
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Location: Salida, Flagstaff
Miguel - how much longer are these than your softies, and how's the switch going to affect your toe / heel overhang?.. Or rear foot angle?

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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sat Apr 12, 2014 9:17 pm 
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By spar I meant spar varnish to seal things and make the strap slide freely. May have to cut down the cuff? May not? I also have eliminator tongues that I may use not sure I want them.

Over hang doesn't appear to be an issue, these are 29.5s and my board has a 26.5cm waist. I think my angles are 15 back and 25 front.

Not sure if i can do the same vertabrae arm hack on the buckle side? Buckle might run into the lock mech housing if i bolt it further back.


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sat Apr 12, 2014 9:27 pm 
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Location: Colorado
Sorry for the confusion! I was referring to what you are calling the vertebrae. Or what I might actually call the spine, the separate part which gives support to the boot. That piece appears to be responsible to giving the boot support for skiing. I see that you cut it back to allow for more lateral and medial flex, which seems like a good idea to me.
I would recommend riding the boot before doing any more cutting, then cut and trim a little at a time, and ride/repeat, until you achieve just the flex you prefer. Removing small amounts of material can change the boot, so a little at a time.

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Quiver Killer inserts

http://protectourwinters.org/
http://14ersnowboardproject.homestead.com/


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sat Apr 12, 2014 10:51 pm 
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Yeh I may try to rush deliver some voile plate bindings just to get these on snow. These boot are the same length as my insanos (11.5).
The vertabrae as sportiva calls it is made from hard plastic, not Carbon fiber. I'm going to match the front boot with mods made on the rear boot and then try and go get some of the last turns around in az. I would also like to find some one with a sowing machine to attach more Velcro on my strap. I really look forward to touring with this setup on some dynas and a legit binding, (plates will have to do for now). I think this could be a game changer for me.

Barrows do you think flexing to the outside of the foot is as important as medial (inside flex)? The buckle side looks harder but not impossible to mod and this would leave the high back (spine) intact while freeing up more flex. I could experiment with nuts and bolts to attach the buckle further back on the arm but would have to remove the rivets to do so. This could be done without cutting the arm to beggin with but the ultimate goal would be more flex and freedom from the spine.


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sun Apr 13, 2014 8:38 am 
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Yeah, IMO flex to the medial side is more important (and more important to mod for, as good skiing edge reponse requires stiffness on the medial side), but softening up the lateral side is often beneficial as well. This all depends on how stiff the boot is to begin with, and one's own riding style. I know lots of people who do not cut the cuffs on TLT5/6 boots at all, I cut down both the medial and lateral sides for a little more flex, but just a tiny bit.
I have never tried on the Siderals, but I would suggest riding them first, before you cut any more. If you have a set of slider plates lying around, the Voile Mountain Plate is an OK way to test, just understand that you are probably going to want to get some Phantoms next fall :wink:

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Never Summer Prospector 167X, furberg 173 DIY, Dynafit TLT5/6 Mountain , Phantom Bindings, BD Glidelite Skins
Quiver Killer inserts

http://protectourwinters.org/
http://14ersnowboardproject.homestead.com/


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Sun Apr 13, 2014 11:48 am 
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Matched the left boot fairly well, and painted the first coat of Spar Varnesh. Not worried about to much medial flex at this point, but i'll wait to ride and tour with them before further cutting..


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Mon Apr 21, 2014 11:51 am 
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Rode a short half lap in the resort on Voile plates and my Siderals. I did some getto canting with old voile gaskets which seemed to work. The boot flexes well medialy and is noticably stiffer to the outside/buckle side where the vertabrae arm is still intact. The back of the boot is really stiff (not sure i like it, but may learn to live with it). My bindings were to lose and so the boot was moving ontop of the binding :oops:. Snow was firm corn with lots of suncups, so not good conditions at all really. Over all this was a shitty test but i rode them and hiked up in the boots which was better than a carpet test.

I'm going to experiment with moving the buckle back and see if the lock mech still works when i do so. If it does, than i'm going to trim the outside arms as much as i can and call it good on mods. Cuff is all ready low to beggin with so i'm just going to leave off on trimming. Spark or phantoms next year for sure.


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Fri May 09, 2014 12:11 pm 
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Toured and camped with the Siderals north of the Kachina Peaks, AZ. Loved the walk mode even though I’m touring on top on Voile plates great natural range of motion. Once it got to camp taking the liners out and stashing them in my sleeping bag was easy (much easier than my Insanos, which are shitty to even attempt at removing the liners).

The down was fun as always yet clearly these are not my Insanos or Drivers (Drivers are basically mush now). I felt confidant and smooth the whole way down though, even when I got to the tight and rocky trial/skateboard esc section of lower Abineu trail. These boots are stiffer and the rear lean is a bit of a hard stop.

I am going to continue to modify these by lengthening the upper strap and cutting away more of the Vertebral arms on the buckle side. I also placed a small piece of urethane from an old Thud buster seat post :lol: at the top of the lean slot to give the lean back a softer feel. The thud buster mode seems to do the trick. I also am going to experiment with the rear spoilers provided and see if this changes the rear lean feel for the better.

Over all I am happy with these boots so far but need a full season on new bindings and tech toes to really make an honest assessment. It seems from the posts i've read that Tlts are the way to go if you have the cash as they seem easier to modify... But Siderals are a good option if you don't mind doing a few (kind of scary) modifications that take some time.


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Fri May 09, 2014 12:57 pm 
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Zude: the Voile plates place the foot really high off of the board surface, I would highly recommend considering Phantom Bindings for next season. The Phantom Bindings place the boot sole at about the same height as a Spark binding, not to mention that the interface provides a much more solid connection of the two board halves.
You will have much higher ride mode performance with Phantom Bindings.

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Never Summer Prospector 167X, furberg 173 DIY, Dynafit TLT5/6 Mountain , Phantom Bindings, BD Glidelite Skins
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http://protectourwinters.org/
http://14ersnowboardproject.homestead.com/


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Fri May 09, 2014 3:41 pm 
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Yeah voile plates were really just a stopgap for me at the end of this season (only got two days on them). Voiles plates only cost $55 and they work fine for now.

Phantom is definitely the pinnacle of hard boot split systems. I like the Spark dyno option for swapping out to my old Fuses/soft boots for inbounds riding and side country. I'm also waiting to see the price difference.

I may be on phantoms or sparks next year but definitely i'm getting dynafit toe pieces.


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 Post subject: Re: La Sportiva Sideral Boots
PostPosted: Fri May 09, 2014 5:04 pm 
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Yeah, Spark is certainly going to be more affordable than Phantom, and perhaps a good option for those folks who do not take their riding too seriously...
But, they will not come close to the ride performance which Phantom offers; the precision of the Phantom interface is in another league from anything which relies on the Voile Pucks.

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Never Summer Prospector 167X, furberg 173 DIY, Dynafit TLT5/6 Mountain , Phantom Bindings, BD Glidelite Skins
Quiver Killer inserts

http://protectourwinters.org/
http://14ersnowboardproject.homestead.com/


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