This is the Tamiya TBLM-02S 10.5T Sensored Brushless Motor.
Sensored design provides smooth operation at both low and high speeds
Designed for use with Tamiya's sensored ESCs such as the TBLE series
(cooling fan recommended for longer ESC life)
Ideal for buggy applications with an 8.9 - 11.7 gear ratio, and
touring car applications with an 6.5 - 9.3 gear ratio
Tamiya 10.5T Sensored Brushless Motor with Wire Leads and Instruction
Sheet
Sensored ESC such as the Tamiya TBLE series
Input Voltage: 6.6 - 7.2V
Length: 2.3" (58mm)
Diameter: 1.4" (36mm)
Weight: 6.28oz (178g)
Wire Lead Size: 12AWG
Shaft Diameter: .125" (3.17mm)