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    I received my toe pieces ūüôā Here are photos of my set-up with La Sportiva Spitfire boots.

    I tested them yesterday on a perfect conditions day. My thoughts:

    • awesome, extremely simple and solid construction;
    • closing the levers is a bit hard, the laces help somewhat;
    • stepping in is a bit trickier than with Dynafit, as you need to squat in order to grab the levers. In my case, the fault is also a bit on my boots, as they have a rubber hook under the toe which gets into the way — ironically, that thingy is supposed to help with Dynafit. This can be easily solved by trimming some rubber, or, on the factory side, with a slender carbon cover design allowing more vertical clearance;
    • the stride is smooth and firm: wrt old pin-based Voil√© plates, this is a huge improvement;
    • no ice build up at all! The snow was pretty cold and dry, but I don’t expect issues in warmer conditions, as the carbon adapter is flat and the mechanism is tight enough to expel any snow that might get in — indeed, it’s so tight that I’m a bit worried about wear! In comparison, old Dynafit TLT Speed Radical are a nightmare when ice builds up under the springs.

    I didn’t test the crampons on the field — the snow was too good B-) Anyway, they’re pretty easy to put on, with a bit of acrobatics, as with Dynafit. They look bombproof!

    • Maybe the edges could be sharper, to bite more on really hard snow.
    • With my Spitfire boots and Voil√© short heel risers, the rubber nut on the back of the crampon lets the boot sole engage it before touching the riser, so the push is optimal. Of course, beware of high risers — IMHO, useless if you have boots with a decent forward lean angle.

    To be continued!

    503 Posts

    @sphakka, thanks for your review and the photos. I’m curious though what your experience was with the heel riser. You don’t have an adapter to set it back so it strikes the heel of your boot. I’ve heard that without an adapter it can cause the heel riser to flip itself down as you walk. Any thoughts? It seems to me that in order to complete the tour mode offering, they need to address the heel as well.

    4 Posts

    I‚Äôm curious though what your experience was with the heel riser…

    , see this pic. With La Sportiva Spitfire / Sideral boots (from 2014 — I don’t know if anything has changed with the latest model — the shape looks the same), the short heel riser

    • is hinged in the back slot, resting down towards the puck,
    • when risen, fits perfectly before the sole heel’s edge (indeed it ditches a bit the sole: a rubber sleeve over the wire is advisable…),

    so that it actually gets interlocked. Indeed, the boot pushes it towards the toe, can’t snap it down! This is a rather lucky configuration: a different sole’s length might change the game (mine is 287mm). Anyway, since Voil√©’s riser bases can be reversed (there’s no longer the constraint of fitting the binding alu plates), I guess there should be a combination of base position and short/high riser that works with any boot…

    What’s important with these boots is to cut the rubber hook under the toe as it really hampers stepping in. Done that and now the toe goes snugly towards the binding tips, then closing the caliper is a snap ūüôā

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    I tried the crampons: a bit tricky to slide them in, ’cause my boots have insanely cambered soles (back home I cut another bit of rubber ^_^). Otherwise, they do fine. IMO, the blades should be longer and deeper, possibly with a 3-section design similar to the SPX , so as to allow more secure bite on bumpy slopes — I felt sometimes an uncomfy “twist” effect on the hardest snow. Pretty bombproof stuff, I guess they could be made lighter by machining some wider holes.

    More on heel risers. My original set-up had the wires resting backward: no problem in walk mode, whereas, in descent mode, the wires got into the way of the binding frames — I have quite a narrow stance. So I reversed the configuration: wires resting forward. In upright position they still lean back enough to avoid accidental snap down ūüôā

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