Nylon / Plastic Spur Gear for MBX6T?

hi,

because i sell my x2-crt i´m thinking about to buy a mugen mbx6t for the next year.
i want a gentle car, so i´m looking for a nylon / plastic spur gear.
will the kyoso fit or somthing else (rc8te...)

next is, i dont linke the new style for the bodys (8t 2.0, mbx6t...)
does another "oldshool" fit to the car.

thx