●Use for T-REX 500

Specification:
●Shaft x 1(Φ4xΦ4.8x42mm)
●Tail drive gear(31T) x 1(Φ4.2xΦ19.8x9mm)
●Metal pulley cover x 1(Φ4.4xΦ14.5x4.5mm)
●Drive pulley(19T) x 1(Φ4.4xΦ6xΦ11.75x4.15mm)
●Bearing 684ZZ x 2(Φ4xΦ9x4mm)