Set, and is intended for use with the Align T-Rex 600 Pro. This part features a re-designed one way bearing to help prevent locking. Suitable with: CNC Slant Thread Main Drive Gear/112T ...
Housing Set, and is intended for use with the T-Rex 550X helicopter. Includes: (1) 550EFL Main Rotor Housing (2) 600 Feathering shaft sleeve (2) 8x12.9x6.5 600DFC Damper Rubber (2) 8x11x1.3mm Spacer (2) ...
Assembly Upgrade Set, which includes the necessary parts to convert the original Main Shaft, & Autorotation Hub Assembly from the smaller M2 sized screw, to the more durable M2.5 sized screw. Includes: ...