Instruction:
- New design of one-way bearing for preventing locking.
- Use for T-REX 550E/600E/600N.
- Must be used with Autorotation Tail Drive Gear set (H60020A).

Specification:
-One-way bearing HF1216 x 1(Ø12xØ18x16mm)
-Main gear case x 1
-Hex socket salf tapping screw x 5(T3x7mm)
-One-way bearing shaft x 1(Ø9xØ12x34.7mm)
-Washer x 1(Ø11.5xØ18x0.8mm)