Tamiya ESC TBLE-04S speed controller (without fan and sensor cable)
ESC Motor 45A/60A/80A/120A Aluminium Remote Control Motor in 1:10 Scale Brushless ESC Kit --3650 Motor 4300KV + Brushless ESC + Heatsink + Program Card Suitable for 1/10 RC Vehicles (120A): Amazon.de: Toys
How to control a brushless motor through a ESC with Arduino – Robosapien