SAB GENESIS F3C Helicopter Kit w/ Blades - Yellow (Custom Color) TRX-4M FCX18 K10 is equipped with

FCX18 K10 is equipped with a 900mAh battery

- GREEN Sticker Set x 1

Not Revolution: Don't worry

and due to the incredible stability of the coaxial and counter-rotating rotor head design

SAB GENESIS F3C Helicopter Kit w/ Blades - Yellow (Custom Color) TRX-4M FCX18 K10 is equipped withTECHNICAL OVERVIEW Main Rotor Main shaft: 12 mm Tail shaft: 6 mm Spindle: 10 mm Bearings: 10x19x5 mm Pivot mounted spindle allows fine tuning of head stiffness and optimized control authority One way bearing directly integrated on the main shaft axis Tail Rotor Tail shaft and hub machined from a single solid piece for maximum precision and strength Tail pulley available in three different sizes to fine tune the tail ratio according to pilot preference