Manufacturer Description

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Overview
The Firma 2100Kv Sensored brushless motor is a great choice for 1/10 scale crawlers, rock racers, and trailers running on 2S – 3S LiPo power. Featuring a low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 3.175mm (1/8") output shaft, and precision bearings for high durability and smooth rotation. Preinstalled with 4mm gold plated bullet connectors for easy installation. The Spektrum FIRMA 60A Sensored Brushless Smart Crawler ESC is required.





Features

Excellent upgrade for 540 brushed motors with the same diameter and mounting pattern (vehicle must accept pinions with a 1/8" mm bore)

Perfect balance of speed and torque, great for trail and scale crawling applications

High-quality 4-pole sintered rotor

Polarity protection - magnetic encoder inside the motor guarantees consistency between three phases' signals and always outputs precise signals indicated by rotor position. When installing simply match wire color to esc connectors

4mm gold plated bullet connectors

Waterproof sensor wire with locking plug and gasket

High-quality construction with precision ball bearings and hardened steel 1/8" shaft



Specifications

Application: 1/10 scale crawlers, rock racers, and trailers running on 2S-3S LiPo power

Bushing Or Bearing: Bearing

Connector Type: 4mm Bullet

Forward: Yes

Input Voltage: 7.4 - 11.1V

Maximum Continuous Current: 38A

Motor Type: Brushless - Sensored

Number of Poles: 4

Outer Diameter: 1.42" (36 mm)

Product Length: 2.27" (58 mm)

Recommended Speed Control: Spektrum Firma 60A Sensored Brushless Smart Crawler ESC

Reverse: Yes

RPM/Volt (Kv): 2100Kv

Shaft Diameter: 0.125" (3 mm)

Water-Resistant: Yes