DFC-hode til T-Rex 250. For lavere tyngdepunkt, må brukes sammen med flybarlesselektronikk.
Follow by 700 DFC/600 DFCs design, the 250 DFC flybarless rotor head system utilizes extreme low CG design, effectively reduces resistance during flight, increased flight responsiveness and precision, resulting in superior 3D performance and unimaginable flight speed with extremely attractive design.

* 250DFC Main Rotor Head Assembly × 1
* 250DFC Main Blade Grip × 2
* Bearing 682XZZ × 4(2.5x6x2.6mm)
* Socket screw × 2(M2x8mm)
* Damper rubber 70 × 2(2.5x5x2.6mm)
* Spacer × 2(2.5x4.5x0.2mm)
* Socket button head screw × 1
* Washer × 1(1.5x5x0.3mm)
* Socket button head screw × 1
* Washer × 2(2x3.6x0.2mm)
* Socket collar screw × 2(M2x12mm)
* 250DFC Main rotor grip arm integrated control link × 2
* 250DFC Main rotor grip linkage bearing sleeve × 2(2x3.2x3mm)
* 681ZZ-d2 Bearing × 4(2x4.5x2mm)
* 250DFC Linkage rod A × 2
* Ball link × 2(3.5x8.25mm)
* 250DFC Main Shaft × 1(4.5x3.5x74mm)