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Reedy 540-SL4 Sensorless Brushless Motor: 3.5mm Bullet
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Key Features

  • Powerful 4-pole sensorless design
  • Oversized precision ball bearings
  • High-strength rotor
  • Hardened steel shaft
  • Triple insulated windings
  • Flexible silicone wires
  • Low-resistance connectors


Reedy's 540-SL4 is the perfect upgrade for your RTR! Due to its sensorless 4-pole configuration, the 540-SL4 operates powerfully, efficiently, and reliably in a variety of vehicles and applications.

The 3300kV rating provides plenty of speed with 2S LiPo batteries. But install a 3S LiPo battery for insane speeds that are barely controllable! A high-strength rotor provides plenty of torque and resists overheating better than 2-pole alternatives.

Flexible silicone wires ease wire routing in tight spaces and work in conjunction with 3.5mm bullet connectors to reduce power-robbing resistance and heat. Triple insulated windings, a hardened steel shaft, and oversized ball bearings enhance reliability to keep you out of the pits and on the track.

Bushing Or Bearing: Bearing
Cells: 2-3S LiPo, 4-9 NiMH
Connector Type: 3.5mm Bullet
Efficiency: 93%
Input Voltage: 7.4-11.1
Maximum Continuous Current: 67A
Motor Type: Brushless
Number of Poles: 4
Outer Diameter: 1.41 in (36mm)
Output: 500W
Overall Length: 52mm
RPM/Volt (Kv): 3300Kv
Sensored: No
Shaft Diameter: 1/8 in (3.17mm)
Weight: 211g
Wire Gauge: 12 AWG


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