HobbyStar Short Course Combo, 60A ESC and 550 Brushless, Sensorless 4-Pole Motor, 5.0mm Shaft, Includes Program Card

SKU: 385-39-BND

Availability: In stock

1 x HobbyStar 60A Brushless Sensorless ESC  
Program Card:
1 x HobbyStar LED Program Card  



A complete power package with a HobbyStar 60A brushless ESC, 550 brushless, sensorless motor and an LED program card to dial it all in.  550 length and 4-pole design for maximum torque makes this combo ideal for your 2WD or 4WD short course truck.

A terrific all-around ESC, the HobbyStar 60A Brushless ESC packs a lot of features without breaking the bank.  Smooth-operation, a built in BEC and plenty of available adjustments via LED program card and it even comes with 12AWG silicone wire leads already soldered on (4.0mm bullet-plugs on motor wires and a Dean’s-style t-plug on power leads).


NOTE: While the ESC in this kit is rated for 3S, 2S should not be exceeded on 3500KV and above motors.



  • Enhanced throttle response, smooth acceleration, strong brake function and linear throttle
  • High-quality components, high-current capable
  • Excellent start-up, acceleration and linearity
  • Built-in 6V, 3A Linear BEC
  • Fully programmable, can be programmed with LED Program Box
  • Multiple protection features: Low voltage cut-off, Overheat protection, Throttle signal loss protection



  • Output: Continuous 60A, Burst 380A
  • Input: 5-12 cells NiMH/NiCd or 2-4S LiPo
  • BEC: 6V/2A 
  • Resistance: 0.0007 ohm
  • Motor supported: Brushless sensorless
  • Application: 1/12, 1/10 on and off-road car (not recommended for very heavy 4x4 applications)
  • Programmable items: motor timing, initial acceleration, running mode, brake %, drag brake, cut-off voltage, throttle limit,  motor rotation, & neutral range
  • Size: 34mm(L) x 28mm(W) x 25m(H, to top of heat-sink)
  • Weight: 60g (without wires)


The HobbyStar 550 4-pole brushless, sensorless motor is based on the same design as our powerhouse 540 sensorless motor, but features a longer 550 sized can for extra torque. The perfect motor when a high-torque, high-performance powerplant is required such as 4x4 short-course trucks.  A beautifully machined T6 billet-aluminum housing contains a 4-pole, 12-slot high-torque rotor spinning on High-RPM ABEC5 oversized bearings for a powerful, reliable motor choice for your 1/10 scale vehicle.  Comes with motor leads with 4.0mm bullet connectors already installed. Available in a wide variety of KV ratings.



  • 4-pole 12-slot high-torque design
  • CNC machined 6061 T6 billet aluminum can
  • High-purity copper windings maximize efficiency
  • High-RPM ABEC5 oversized bearings
  • Precision balanced rotor for smooth operation and maximum RPM
  • Super-thin (0.2mm) stator laminations 
  • Removable/replaceable rotor
  • Precision Engineered for maximum energy conversion


Product KV (RPM/Volt) Max Voltage Max Amps Rotor Poles IO Resistance Watts Max RPM Length (mm) Diameter (mm) Weight (g) Shaft Diameter (mm) Shaft Length (mm) Connectors
550/2Y 3500 3S 85A 4 2.5A 0.0089 1200W 50,000 55 36 195 5 17 4.0mm gold
550/3.5T 3800 2S 92A 4 2.8A 0.0083 1200W 50,000 55 36 195 5 17 4.0mm gold
550/3T 4300 2S 100A 4 3.7A 0.0058 1200W 50,000 55 36 195 5 17 4.0mm gold


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If the 4300kv motor is 100 amp then how can a 60 amp esc handle that motor safely
The burst capacity of the ESC is enough to tolerate the momentary spikes in current. That being said, if you are planning on running under very throttle-heavy conditions a larger ESC is always good insurance.
RCJuice answered on January 23, 2019

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