Use for T-REX 250.Newly designed main gear mount to simplify gear replacement, and improve overall aesthetics of main gear system.New main drive gear(120T) x 2Main gear case x 1Bearing 683...

Use for T-REX 250.New main drive gear(120T) x 2

Use for T-REX 250.One-way bearing HF0306 x 1(Φ3xΦ6.5x6mm)Bearing 683 x 1(Φ3xΦ7x2mm)

Use for T-REX 250PRO DFC.Spacer x 2(F2.5xF4.5x0.2mm)Washer x 2(F2xF5.7×0.5mm)Washer x 2(F1.5xF5x0.3mm)Socket button head self tapping screw x 2(T1.5x4mm)Socket button head self tapping screw x 2(T1.5x3mm)Socket button head self tapping screw...

Use for T-REX 250.Hexagonal screw hole 1.3mmSocket button head screw x 2(0#x3mm)Socket button head screw x 6(0#x4mm)Socket buton head self tapping screw x 16(T1.5x3mm)Countersunk philips self tapping screw x 3(T1.5x4mm)M2...