450 Sport Rc Helicopter Linkage Ball Set
Linkage ball G(M2.5x2.5) x 2(Φ4.75x13.28mm)
Linkage ball A(M2x2.5) x 13(Φ4.75x7.18mm)
Linkage ball E(M2x2.5) x 1(Φ4.75x6.3mm)
Long linkage ball (M2x2.5) x 1(Φ4.75x19.68mm)