<ul><li>Good insulation and heat resistance --- silicon steel sheet has excellent performance, high magnetic permeability, high silicon content, good insulation and heat resistance. The motor adopts waterproof design and maximum power conversion.</li></ul> Description Specification: Item Type: Brushless motor Wattage: 900 watts Maximum Voltage: <13 V Maximum Amperage: 69A KV (RPM / Volt): 3900KV Maximum Speed: 50000 RPM Diameter: Approx. 36 mm / 1.4 in Length: Approx. 50mm / 2.0 in Shaft Length: Approx. 15mm / 0.6 in Outer Shaft Diameter: Approx. 3.175mm / 0.1 in Inner Shaft Diameter: Approx. 5.0mm / 0.2 in Plug Type: Approx. 4mm / 0.16 in gold banana plug Weight: Approx. 172.6 g Package List: 1 x Motor

RC Brushless Motor,1/10 Brushless Car Accessory 3650 Brushless Motor Waterproof All Black Customized Non-Inductive RC Toy Motor