CopterX CX450 Black Angel DFC Flybarless Kit Black Angel is one of the most advance 450 size 3D helicopter on the market. With its innovative design and robust construction. Black Angel is able to offer performance rivals can only dream of. . CX450BA DFC Features: CNC flybarless DFC rotor head system for unmatched 3D performance . Over sized feathering shaft, screws, blade grip bearing, main shaft collar, more. for maintenance free operation . 240 reinforced swash plate for positive response . One piece CCPM swash plate design for durability . Simple DFC head design eliminate control arm for less weight and faster response time . Short main shaft for quicker cyclic response . Fully ball raced capable to handle head speed of over 3500rpm and tail speed for over 13600rpm . Trusted bearing tail blade grip for ultra smooth operation during high rpm . Direct tail drive system weight saving and quicker response . Extra wide drive belt to ensure non slip and sensitive rudder control . High strength nylon main gear for quite and smooth operation . Precise high wear resistance aluminum alloy pulley set . One piece carbon fiber main frame for strength and durability . Light weight carbon fiber bottom plate, ESC mount, battery mount and anti rotation bracket . High strength aluminum alloy tail boom look . Aluminum alloy rudder servo mount . Light weight one piece composite landing skid . Aluminum alloy canopy mount . Package included: 1 x CopterX CX450 Black Angel DFC Flybarless Kit (Disassembled). 1 x Plastic shell. 1 x Glass fiber propeller. 1 x Glue Set