This part is the Hirobo HI0404629 pitch lever shaft, supplied as a direct replacement for cyclic linkages found on Eagle, Freya, EX and SX platform families. The L=70mm marking indicates the shaft length so you can match the control geometry without unexpected changes to servo throw or swashplate movement.
The shaft acts as the pivot inside the pitch lever, converting servo output into blade pitch adjustments. When replacing it, check spline engagement and any axial play at the linkage pivot, inspect bearings and retainers for wear, and verify collective and cyclic throws after reassembly to keep handling consistent.
Installation advice: follow the model's service procedure to remove the rotor head, tag the orientation of linkages before disassembly, install the replacement shaft and secure the original retainers to the recommended torque, then perform a bench check of swash-to-blade motion prior to flight. Use this component for maintenance rather than as an aftermarket performance upgrade.
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