Hyper h2 pro, first purchases

[Usato]

Hello, sorry for my english, but I use google translator.
I bought a hyper h2 pro, you soon will come to me.

esc 120A(Hobbiking X-car 120A)
I run on carpet and I wanted to buy a 7.5T motor (Turnigy Tracstar 7.5T
or is it better another, maybe a 10.5T)?


Such as batteries, I do not know what to choose, because I do not know the space of the battery compartment.
http://www.hobbyking.com/hobbyking/s...APPROVED_.html
or
http://www.hobbyking.com/hobbyking/s...APPROVED_.html
or
http://www.hobbyking.com/hobbyking/s...APPROVED_.html
or
http://www.hobbyking.com/hobbyking/s...ddle_Pack.html


I wanted to buy from hobbyking . com (Turnigy nanotech), I recommended the batteries most appropriate?

Can you help?
Thank you.


Ps. tires that I will use: Shumacher minipin yellow