3674 2250KV 4P Sensorless Brushless Motor with 120A Brushless ESC（Electric Speed Controller）for 1/8 RC Car Truck

features enhanced throttle response,excellent acceleration, strong breaks and throttle linearity.
Motor
Features:
4 poles Hi-torque motor design.
CNC machined 6061 T6 billet alumium heatsink can.
High purity copper windings maximizes efficiency.
High RPM ABEC5 oversized bearings.
Universal fits 1/8 brushless cars-multi-mounting system for M3 screws.
Precision balanced rotor, smoothness for best reliability and maximum RPM.
Stator - Super Thin (0.35mm) laminations.
Removable/replaceable.
Precision engineered for maximum energy conversion.
Specification:
RPM: 2250KV
Max Current: 80A
Max Watts: 1800W
Can Size: 3674
Sensored: No
Can Diameter: 36mm
Can Length: 74mm
Shaft Diameter: 5mm
Shaft Length: 17mm
Bullet Connector: 4mm
Weight: 293.5g/10.4oz
Max voltage: 7.4V(2S)-18.5V(5S)
Note: there's some little error from human measuring.
Electric Speed Controller
Features:
Compatible with sensorless brushless motors.
High anti-interference capability.
Using advanced software interface to set up or update the software.
Super smooth and accurate throttle linearity.
Fast response to throttle input.
Mutiple protection features: low voltage cut-off protection, over-heat protection and throttle signal loss protection.