●Use for T-REX 450 。

Specification:
●450 Metal Bearing mount x 1(Φ7xΦ9.5x5.2mm)
●Bearing mount washer x 1(Φ4xΦ5.1x0.3mm)
●Linkage Ball E(M2x2.5) x 1
●MR74ZZ Bearing x 2(Φ4xΦ7x2.5mm)