Features: Waterproof design extends its service life. 14 poles, 12 slots, and high torque. CNC machined 6061-T6 aluminium cooling fin leads to efficient heat dissipation. Secondary oxidation treatment makes it exquisite and durable. High purity copper windings maximizes efficiency, with high temperature resistance. High-speed ABEC5 bearing is precision and stably, with low friction, good durability. Ultra-thin silicon lamination behave high magnetic permeability, good insulation and heat resistance. 3.5mm gold plated connector, 6mm shaft, screws are included. Balanced and smooth rotor can get best reliability and maximum RPM. Specification: Material: Metal Color: Shown As Pictures Weight: 472g KV: 335KV Stator Size: Approx. 41 * 41 * 30mm / 1.6 * 1.6 * 1.2inch Type: RC Model Part & Acces Package List: 1 * Motor 1 * Pack of Accessory