This A and B pair of collective pitch levers is a direct replacement designed to interface with the collective pitch linkage used on Hirobo Eagle, Freya, EX and SX rotor heads that share the same common parts layout. The items are machined metal parts supplied for hobby workshop installation.
These levers transmit servo movements into blade pitch variation, so maintaining correct geometry and minimal lateral play is critical for linear pitch response and predictable trimming. When fitting them, check pivot smoothness and hole alignment; even small slop in the linkage can affect pitch curves during setup.
Supplied as ready-to-fit metal components, they are intended to support collective setup, trimming and repair tasks for RC helicopter enthusiasts.
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