This is the Tekin FX-R brushed electronic speed control and T45 HD 45-turn rock crawler brushed motor.
Requires: Installation following the included instructions and a pinion gear depending on vehicle
ESC Input Voltage: 4-9 Cells/2-3S LiPo
ESC Motor Limit: 12 Turn
ESC On Resistance: 0.0012 ohms
ESC BEC: 6V/3A
ESC Dimensions: 1" x .8" x .4" (25mm x 20mm x 10.2mm)
Motor Input Voltage: 3S LiPo or 10-Cell NiMH Battery
Motor Dimensions: 2.07" x 1.42" (52.7mm x 36mm)
Motor Shaft Diameter: 0.125" (3.2mm)
Motor Bearing Size: 3/8 x 1/8"