The HobbyKing™ Alloy EDF series are pre-assembled and dynamically balanced making them simple and easy to fit, no unit assembly is required. As well as high power, these fans have excellent cooling and run so smoothly, the sound is amazing, there is also no housing distortion unlike plastic fans. This nice quality, powerful fan is a great way to upgrade your foamy 50mm jet to a missile in around an hour!

Features:
Pre-assembled
Factory dynamically balanced
High power with superior cooling
High quality construction
Fully servicable
Fast to fit
No housing distortion

Specs:
Rotor Diameter: 50mm 5 Blade
Outer Diameter: 54.5mm
Weight: 67g with 2mm Connectors
Motor: 20mm Brushless Inrunner 4800kv
Max Amps: 18A
Max Thrust: 450g