Firma 2838 4500Kv Brushless Motor

The Firma?2838 4500?KV Brushless Motor is designed as a direct replacement for ARRMA GROM BLX 4×4 vehicles. It features a precision 4?pole inrunner rotor, CNC?machined aluminium housing, insulated high?purity copper windings and a hardened alloy steel 3.17?mm output shaft for superior durability and efficiency.

Features

• Specifically engineered for ARRMA GROM BLX 4×4 platform
• Highly efficient 4?pole low?cog rotor design
• CNC?machined aluminium can with precision ball bearings
• Hardened alloy steel shaft (3.17?mm / 1/8?in) for durability
• Suitable for 2S to 3S LiPo power systems

What’s in the box

• (1) Company-branded Firma 2838 4500?KV Brushless Motor

Need to complete

• Compatible smart or standard brushless ESC (not included)
• 2S–3S (7.4–11.1?V) LiPo battery with 3.5?mm bullet connectors
• Full-range transmitter and receiver

Specifications

• KV rating: 4500?Kv
• Input voltage: 2S–3S LiPo (7.4–11.1?V)
• Connector type: 3.5?mm bullet
• Motor type: Sensorless brushless inrunner
• Poles: 4
• Outer diameter: 23?mm (0.9?in)
• Length: 38?mm (1.5?in)
• Shaft diameter: 3?mm (0.13?in)
• Shaft length: 14?mm (0.55?in)