#45 STEEL MOTOR GEAR 20T(48 PITCH,MODULE: 0.5MM,MOTOR TOOTH DIAMETER: 5MM)--MG520T/0.5MConnect with the motor and carry the motor to runPart location:Motor GearMajor advantages of upgrading to this part/product:(1) Made of #45 steel, hardening black treatment,stronger than the original gear, wear-re..