NEW One Way Bearing Shaft

Original ALIGN spare part - Use for T-REX 550E/600E/600E PRO/600EFL PRO/600N

?Use with 180T M0.6 Autorotation Tail Drive Gear(H60020A):
Must with Torque Tube Front Drive Gear Set (H60121) or (H60147) or (H60122)
Suitable use for T-REX 600E/600N/550E

?Use with 131T M0.8 Autorotation Tail Drive Gear(H60198):
Must with Torque Tube Front Drive Gear Set (H60228) or (H60229)
Suitable use for T-REX 550E upgrade(suggestion)