This is an RC-scale replacement damper rubber designed for the Hirobo Freya FFZ-III damper assembly. The part serves as the elastic element inside the damper stack and is intended for routine maintenance or tuning adjustments on model helicopter suspension and vibration isolation components.
Installation is straightforward for experienced hobbyists: remove the damper cap, inspect the internal components for wear, replace the rubber sleeve with the new #60 unit, and reassemble while checking for smooth travel and correct preload. Use compatible damper oil and follow existing damper rebuild practices; avoid forcing parts that do not align.
In tuning terms, the damper rubber alters damping feel and small-amplitude response. The designation "#60" indicates a specific rubber characteristic used by Hirobo to give a particular balance between compliance and rebound control; swapping to different hardness parts is a common method to fine-tune handling and vibration behaviour in RC helicopters.
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