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I was thinking the FX where you just kick it over onto a convenient patch of dirt, but yeah lack of center stand (and fragile chin fairing) would make it more difficult on the energicas.

Put me on the list if you end up sending a couple kits to the USA. Happy to chuck some USD towards group buy/shipping.

Already got the experia track days out of my system, but plenty of commute miles planned.

Took the experia to a tight technical track, absolutely roasted my pirelli supercorsas in about 2 days of b-group pace and scraped the pegs a few times.
These heavy bikes with lots of torque are death to soft tires when ridden in anger. 

Can't imagine the EVA/EGO/SS9 would be any nicer to tires 

yeah, it was the GPS mounting bar accessory. can't recall if I paid for it or the dealer just chucked it in the box with the charger and other accessories...
Either way, I installed it on the Launch Edition after getting the bike home.

The supersprox RST-7091 is a hybrid with steel teeth and aluminum center, and I think it's only "off the shelf" up to 49 or 50 tooth.
I've not seen that size in stock anywhere and it's probably the wrong direction for off-road gearing, though maybe you can compensate with -1 tooth front and adjust chain.

Or you can pay and wait for them to do a custom size order (just received a 52t aluminum from them)

Ordered a custom superprox aluminum 52T rear (they produce 49/50t options with the stock already)
Gambled [ and LOST] on a 16t front from the aprilia 660s since I have one floating around the garage already. If the splines/offsets work out [they don't], that's an easy replacement vs the "special" 520 size sprockets for the RSV4.

If I'd thought the whole exercise through, I'd have gone for a 15t front and one of the 49/50t supersprox for similar gearing change and not paying the custom order price/delay penalty.

Now I get to twiddle my thumbs for a month or two.

Edit: the aprilia 660s (tuareg/tuono/rs) have different spline count and offset. Zero compatibility.

I'd be more concerned about "two services" in 699mi, haha.

I'm using the pitbull racing's 8mm spool, I ordered the version with the 0.6in spacer but I think I shortened it to about 0.3in. If I was to do it again, I'd probably aim for 0.4 or 0.5in. 
You need some amount of standoff for these spools because there's a counterbore that requires a small diameter insert. Mine are short enough to fit, but the lifting fork can hit the swingarm when lifting from the side stand.
https://www.pit-bull.com/motorcycle-apparel-accessories/motorcycle-spools-kits/spool-kit-8mm-spacer-c-multistrada-enduro-1200-f0009c-000