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(30 to 40)% increased Critical Strike Chance is weapon local crit not global .
U gonna need a certain distance since the first form cant chain.
U may get low ES or less damage since that is a lvl 100 build planned.
Maps can roll status aliment resist or immune to it .
As far as damage goes should be ok those jewels are really strong.

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Projectile Speed does not affect when the second form starts. It's a fixed distance away from you.
Why not go Inquisitor? If you're always going to crit, ignoring elemental resistances is the shit.
Pyre instead of Cold to Fire and AoF, maybe? Saves you a few skill points and a support gem.
Also, until the league starts, I'm going to assume that Grand Spectrums will be insanely expensive.

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I like the idea of your build.
But I'm kinda wondering if it would work.
Also some calculations are wrong.
First of all, your frenzy charge generation may lack. I'm not sure if your 20% freeze chance would be enough to sustain them?
Why aren't you using power charges? At least the three base charges? 150%-200% crit chance would help you a lot to cap your crit chance.
Your Fire golem shouldnt give you 120% inc dmg. It offers 20% dmg x2 -> 40% dmg. let's also take the 40% inc dmg the elementalist gives -> 80% inc dmg.
High es with 226% inc es and without shield? Theres like no way you could get 10k es with that setup.
Why linking clarity with empower and enhance? Quality only offers aura radius?
Herald of ice with cold to fire? Wouldnt be something like Innervate (+ frostbite) better?
You don't use any curses or penetration?
Also I wouldn't take elementalist.
It offers nothing, what improves your build a lot.
The golem node is nice. no question, but all in all youre getting only 120% inc dmg. and to gain these full 120% dmg you need to convert your dmg. Converting cold dmg is kinda like. :/
Reduced Reflect dmg taken is nice, too, but not necessary with vaal pact and life leech. You will easily survive reflect, as long as you have a nice hitpool.
Elemental Conflux + Proliferation. Well Ice Spear doesn't benefit so much from the Proliferation. Especially with chain. Also Elemental Conflux is in usual situations like 50% more dmg (what you can also acheive wit getting a bit flat lightning dmg). But how to proc it for bosses? In the most difficult situation it will do nothing.
Let's compare it with Inquistior.
You get 30% cast speed and 30% spell dmg. -> At least equal, if not even better than the golem node.
You get a looot multiplier (nearly like a multiplier gem).
You will deal more dmg on end game maps for sure. and I don't talk about 10% more dmg or so.
It's pretty difficult to don't roll elemental equilibrium or Cold/fire resistances on maps. And since you convert 50% these stats would affect you a lot. Ele Equilibirum increases for example both monster res for 25%.
It's not difficult to have monsters with resistances, and many bosses can gain like that 75% res.
Inquisitor would deal 300% more dmg than your Elementalist.. 300% more dmg!
It would look a bit different, if you would use a penetration gem with your elementalist. but that penetration gem would only penetrate 18,5% of your full dmg, since you convert 50%. Pretty crappy.
So if you really want to stick with Elementalist (what is just not good for crit builds), exchange the cold to fire gem with cold penetration. You would get instead of 29% more dmg, 37% penetration. Even the 73% inc dmg you would loose aren't even equal to that penetration (since you have already a lot inc dmg).
But your concept is nice and interesting. :)

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First off all thank You for your detailed answer !
The Fire Golem i missread ty i will edit that ..
The 20 % Chance to freeze Comes on top the freeze from critical so basacly May half chance to freeze from Crit + 20 Chance to freeze from Claw and passives so roundabout 70% Till 80% i think.
I think about Inquisitor aswell But i Liked the new elementalist Buff
I took Cold to Fire to get higher base dmg for burning dmg but i regocnize its not that Strong as Would be
Your answer was very helpfull ty Thats something i looked for apriciate
Sorry for Bad english