Key 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.
- 4mm gold plated bullet connectors
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
Product 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 |
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