•This is the tail drive reduction gear that allows for higher head speeds without overspeeding the tail rotor.

•Use for T-REX450X/XL HDE/XL CDE

•Metal tail drive pulley x 1

•Metal drive pulley(11T) x 1

•Bearing MR83ZZ x 2(F3XF8X3mm)

•Tail drive gear shaft x 1(F3X27mm)

•Tail drive gear x 1(25T)

•Autorotation tail drive gear(106T) x 1

•Gear Ratio 4.24:1

•Tail rotor shaft x 1(F3x41mm)