Instruction:
●Use for T-REX 500X.

Specification:
●500X Main Shaft x 2
●500PRO Main Shaft Spacer(Φ8.1xΦ12x0.3mm) x 1
●500PRO Main Shaft Spacer(Φ8.1xΦ12x0.5mm) x 1
●500X Main Shaft Lock Ring(Φ10xΦ16x5.2mm) 1
●M2.5 Nut x 2
●Socket Collar Screw(M2.5x16mm) x 3