1- Typhoon_Driver - 2x or 4x photos drive motors and or / 2 complete scooters
2- R9000 - 2x drivetrains, motors, batteries, wheels, control hardware or any combination of those, as long as there's two of them, or for example there's one battery for both motors.
3- Pinski1 - 2x drive train only, no motors, no batteries
4-
5-