The Spektrum™ Firma™ 4500Kv Brushless Motor is the perfect replacement for the GROM BLX 4x4 vehicles. This motor features a low-cog 4-pole rotor design, CNC machined aluminum housing, insulated high-purity copper windings, a high-quality alloy steel 3.17mm-1/8 in. output shaft, and precision bearings for durability and smooth rotation.

• Perfect replacement for the GROM BLX 4x4 vehicles
• Highly efficient design
• 2S-3S LiPo power capable
• High-quality 4-pole sintered rotor
• Constructed with precision ball bearings and a hardened steel shaft for durability

Product Specs

Connector Type

3.5mm Bullet

Input Voltage

2S-3S, 7.4v - 11.1v

Motor Design

Inrunner

Motor Type

Brushless

Number of Poles

4

Outer Diameter

0.9" (23 mm)

Product Length

1.5" (38 mm)

RPM/Volt (Kv)

4500kV

Shaft Diameter

0.13" (3 mm)

Shaft Length

0.55" (14 mm)