Overview The Firma 1900Kv brushless motor is a perfect option for 1/10 scale buggies, truggies or monster trucks with 2S-4S Lipo powered setup. Featuring a low cog 4-pole 8-magnet rotor design, CNC machined aluminum housing, insulated high purity copper windings, high-quality alloy steel 4mm output shaft, and precision bearings for high durability and smooth rotation. Preinstalled with 4mm gold plated bullet connectors for easy installation, and perfectly matched for the Firma 100 Smart ESC. Features Perfect upgrade for 1/10 scale buggies, truggies or monster trucks running on 2-4S LiPo batteries High efficiency design 4S LiPo power capable High-quality 4-pole sintered rotor 4mm gold plated bullet connectors High-quality construction with precision ball bearings and hardened steel 4mm shaft