Align 700N 104T M1 Autorotation tail drive gear set

Product: Product: Package: T-REX 700 Tail Drive Gear Ratio With Main Rotor Speed Table: Main Blades Tail Blade RPM approx. Tail Drive Gear Front Drive Gear Drive Gear Ratio 700 106 2150 ~ 2200 RPM 102T 23T 8.46/1/4.43 700 106 2000 ~ 2150 RPM 104T 22T 8.46/1/4.73 700 106 < 2000 RPM 105T 20T 8.46/1/5.25 For your safety, please pay attention to the above 2200 RPM, incorrect excess 2200 RPM may result in damage to the helicopter or injury the porperty of others. Instruction: Specification: ●Gear Ratio 1:4.95●Use for T-REX 700 Nitro.Must with H7NG001BXW, M1 Torque Tube Front Drive Gear Set/21T.●Use for T-REX 700X/700L/700E/800E.Must with H70G001BXW, M1 Torque Tube Front Drive Gear Set/22T 700N 104T M1 Autorotation tail drive gear set x 1