Instruction:
-Suitable for T-REX 550E/600E PRO/600EFL PRO.
-Suitable with:
600PRO Main Gear Case Set(H60200)
CNC Slant Thread Main Drive Gear/112T(H70020)
One-way Bearing Shaft(H60139A)
131T M0.8 Autorotation Tail Drive Gear(H60198)and Torque Tube Front Drive Gear Set(H60228)or(H60229)
131T M0.8 Autorotation Tail Drive Gear Assembly(H60199)and Torque Tube Front Drive Gear Set(H60228)or(H60229)

Specification:
-Autorotation Tail Drive Gear(131T,M0.8) x 1