Reinforced clutch return plate of ABU Morrum ZX made of Titanium64 for longer life. Genuine plate is made of aluminum, which is too weak to cause gearing noise soon. Fits to ABU Morrum SX Ultra MAG 1600/3600, ZX 1600/3600, SX IVCB 1600/3600, SX Ultra Mag S2. 1.8g. Genuine plate 1.1g. Replaces ABU #25802.