●Use for T-REX 450 Pro / 450 Sport V2.

Specification:
●Main shaft x 2(Φ5xΦ6x118mm)
●Main shaft lock ring x 2(Φ5xΦ9x0.1mm)
●Socket Button Head Collar Screw x 2(M2x12mm)
●M2 nut x 2