●Use for T-REX 550E / 600E PRO / 600EFL PRO。
●Steel ball parts is made of rigid stainless steel, features wear-resisting, and anti-oxidization. Therefore this refitting component is absolutely helpful for the accuracy of flying movement control and the stable of the flight.

Specification:
●Linkage Ball A(M2x3) x 2(Φ4.75x13.5mm)
●Linkage Ball A(M2x3) x 2(Φ4.75x18mm)
●Linkage Ball A(M2x3.5) x 2(Φ4.75x8.18mm)