Align Helical Pinion 12T (3.17mm) H45159T RC Helicopter Spares

Align

Align Spare Parts\nAlign Helical Pinion 12T (3.17mm)\n Must be used with:\nSlant Thread Main Drive Gear/121T(H45156)\nMotor pinion gear 12T(F3.17x12T/M0.6) x 1\nScrew(M3x3mm) x 1\nModulus: 0.6\nWeight:1.2g\nUse for T-REX 450 Series.