SPMXSM1200 Firma 1250Kv Brushless Motor

Inventory :

Key Features

  • Perfect upgrade for the ARRMA Limitless Speed Roller
  • Hgh Efficiency Design
  • High-quality 4-pole sintered rotors
  • Includes 6.5mm gold plated bullet connectors
  • Precision ball bearings and hardened steel 5mm shaft


Perfect option for larger scale models looking to run a 8S Lipo powered setup. Low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 5mm output shaft, and high-precision bearings for high durability and smooth rotation. Preinstalled with 6.5mm gold plated bullet connectors. Perfectly matched to the Firma 160 Smart ESC.

Needed to Complete
  • Electronic Speed Control such as the Firma 160 Smart ESC
What's in the box?
  • Spektrum Firma 4685-1250Kv Sensorless 1/7-1/5 Brushless Motor with 6.5mm Gold Plated Bullet Connectors

Product Specifications

Bushing Or Bearing Bearing
Connector Type 6.5mm Bullet
Efficiency 90%
Input Voltage 12-35.2V
Maximum Continuous Current 180A
Motor Design Inrunner
Motor Size 4685
Motor Type Brushless
Number of Poles 4
Outer Diameter 1.81" (46 mm)
Output 4190W (6S)
Product Length 3.3" (84 mm)
Product Weight 22.4oz (618g)
Recommended Speed Control Spektrum Firma 160 Smart ESC
RPM/Volt (Kv) 1250Kv
Shaft Diameter 3/16" (5mm)
Wire Gauge 10 AWG

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