This is the Tekin Pro 4 HD 3000kV 1/10 scale 4x4 Short Course Brushless Sensored Motor.
FEATURES: Accomodates 2S - 3S LiPo power systems
4 pole, 12 slot hi-torque 550 motor design
CNC machined 6061 T6 billet aluminum heatsink can Neodymium sintered magnets
High purity copper windings for greatest efficiency Rebuildable
Dual plug sensor wire harness for use with all sensored systems
High RPM ABEC 5 oversize ball bearings
INCLUDES: Tekin Pro 4 HD 3000kV Motor with Sensor Wire
REQUIRES: ESC
SPECS: Motor Length: 2.5" (62.5mm)
Motor Diameter: 1.4" (35.8mm)
Shaft Dimensions: .60 x .196" (15.3 x 5mm)
Weight: 7.8oz (221g)
Bearing Dimensions: Front: 5x14x5mm / Rear: 5x11x5
Rotor Diameter: 0.73" (18.5mm)