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Introducing the Hobbywing Justock XR10 G3 brushless speed control with Justock 10.5T motor.

Builtin polarity protection

One danger that all electrical systems face is a reversed polarity from the power source. This can be caused by a short circuit, or usually, incidentally reversing the terminals.The XR10 Justock is integrated using MOSFET. If the battery terminals are connected in reverse, the MOSFET will be reversebiased and will not allow current to flow through the system.

Builtin capacitor module

The builtin capacitor module eliminates the need for external capacitors and unwanted space.

RPM speed limit function

The ESC is able to support up to 6 different speed (RPM) selections to meet the needs and demands of various competitions in the world. It can be programmed through using the latest OTA Bluetooth module or the traditional 3in1 program box.

Zero timing competition design

The internal timing of the ESC is fixed at 0 degrees and cannot be adjusted.It is specifically built for zero timing races around the world.

Builtin BEC supporting highvoltage steering gear

The ESC has a builtin BEC which can support a maximum output current of up to 8A and the output voltage at either 6V or 7.4V. This will ensure constant power supplied to todays hightorque servos in the market.

Userfriendly and convenient for setup

The ease of having a dedicated programming port eliminates the trouble of plugging and unplugging the cable to the receiver. In addition, the interface can power additional fans to further dissipate heat. The userfriendly interface allows for easy and convenient setup by simply connecting the 3in1 LCD programming box or OTA Bluetooth module to the dedicated programming port.

Protection functions

The various protection functions have greatly improved the reliability and durability of the ESC.

Single programming and RESET design button

The ESC is designed with a single builtin SET button. Calibrating or doing a factoryreset can be achieved by using this SET button. Simple and easy to use.

Support bidirectional motor movement

The ESC supports both CCW (counterclockwise) and CW (clockwise) motor rotational directions for different usage on the market.

Support ESC firmware upgrade

Hobbywing engineers are constantly innovating and pushing the limits of its products. Enjoy the latest functions by upgrading to the latest firmware. Simply connect the ESC using either the HW LINK App via the OTA Bluetooth module or the USB LINK software through the computer.


Scale 1/10th
Brushed/Brushless BL
Sensored/Sensorless SD
Waterproof No


Cont./Peak Current 60A/380A
Input Voltage 2S LiPo
BEC Output 6V/7.4V @4A

Wires and Connectors

Input Wires Black14AWG200mm2
Output Wires Black14AWG200mm3
Input Connectors No
Output Connectors No


Size 25x25x10mm
Output Wires 57.4V
Input Connectors Powered by BEC

ESC Programing via

SET Button on ESC Supported
LED Program Box Supported
LCD Program Box Supported
WiFi Module Supported
OTA Programmer Supported
Programming Port Separate


Firmware Upgrade Supported

Size and Weight

Size 40.9x33.9x32.1mm
Weight 75.4g(w/Wires)


Applications SL BL Motors / SD BL Motors
Vehicles 1/10thTouring Cars and Buggies for Racing
KV Rating/T Count 10.5T 3650 Motor


The main feature of these motors is the fixed timing and easy to use solder joints, making it an excellent motor for controlled classes.


The use of a heatresistant magnet attached aluminum case and double insulated windings, high precision bearings, and rotor with a strong structure guarantees outstanding performance and super durability.
The builtin Hall sensor nonadjustable end bell combined with a high precision and balanced rotor guarantees the user a smooth and linear power on demand.
The silicon Oring seal fitted between the end bell and stator helps to conduct inner heat to the motor case and prevent dust from entering the HALL sensor.
The detachable structure design for daily cleaning and maintenance can effectively prolong the service life of this Justock motor and improve its operating efficiency.
This motor is perfectly matched with the XR10Justock ESC for all zero timing spec racing and also compatible with other Hobbywing Electronic Speed Controllers including other brands.
This Justock motor is applicable to various 1/10th, 1/12th onroad and offroad vehicles. It can be an ideal choice for Stock or Sport class races but can also be a nice choice for newbies for practice.
The motor design is in compliance with IFMAR, and ROAR specifications.