From SKY RC are these low cost Brushless Combo's.

The TORO TS50 ESC and brushless motor combo set is simple in design, with a waterproof electronic switch, specially designed for beginners, suitable for 1/10 Buggy and Touring car. The motor is powered by 4-6S NiMH or 2S LiPo batteries, and it can work with a BEC of 6V/2A.

Easy Operation
The included ESC is specially designed for RC beginners. SkyRC has simplified the operation while maintaining the outstanding quality.

Brushless is easier!
RC racing should be made easy! With a new standard ESC, RC racers can enjoy more intensive racing. By introducing all the expertise accumulated in RC racing, this ultra-high performance ESC is ideally suited to those who are new to brushless motors!

Full Sensored Mode
TS50 ESC will work in full sensored mode when working with a racing motor, which allows the racer more operability and flexibility to control.

Tough hardware: reliability and stability
Maximize surface heat sink
High-quality silicone cables
Ultra-high efficiency & low resistance

Reverse Polarity Protection
The TS50 ESC is designed with a built-in reverse-voltage protection circuit to protect the ESC components from the reverse battery connection.

Electronic Power Switch
Compared to the mechanical switch, the electronic power switch is waterproof and dust-proof, easy to operate, and eliminates intermittent contact.

The best value motor ever easier to use!
The value of brushless is entering a new era. Let's run more easily and comfortably!
All machined aluminium alloy shell.
Double ball bearing.
12.5mm sintered rotor.
Front cooling hole.

Specification:

Constant/Burst Current - 50A/300A
Motor Compatible - Brushless Sensor & Sensorless
Car Compatible - 1/10 Buggy and Touring Car
Motor Limits - 4-6S NiMH or 2S LiPo
> 8.5T (1/10 Touring Car)
> 11.5T (1/10 Buggy)
Resistance - 0.0006ohm
Battery Cell Count - 4-6S NiMH or 2S LiPo
BEC Output - 6V@2A
Size - 35.3x32.4x19.7mm (LxWxH)
Weight - 60g
XT60 power, and bullet motor connectors

Speed Controllers

Price

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SkyRC TS50 Type C Combo - 17.5T SK-300060-03