This Hirobo replacement is an RC-scale horizontal fin band created to match Lepton Lex series layouts. It is a dedicated mounting component for the horizontal stabiliser assembly on compatible Lepton Lex airframes, concentrating on correct tail positioning rather than altering control link geometry.
The band is used where a distinct horizontal fin support is required; during fitting confirm the band aligns with the Lepton Lex fin mount points and that it seats flush against both tailboom and stabiliser surfaces. Check that the fin is neutral and that linkages operate without binding.
For setup and tuning, this component maintains stabiliser placement after adjustments to tail pitch or rotor trim. Its role is largely mechanical location and retention, improving setup repeatability and easing part replacement in service.
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