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
Overview
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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