This bearing holder is a purpose-built RC replacement for the Lepton Lex series, listed as Hirobo HI0304032. It supplies a dedicated 16mm bearing seat to support a tail or intermediate shaft assembly and maintain alignment under typical model helicopter loads.
The component addresses mechanical alignment rather than drivetrain changes. Installers should confirm shaft diameter and the bearing outer diameter match the 16mm seat prior to fitting, then use the holder to reduce axial play and assist precise trimming of tail response during setup and checks.
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