Hirobo Main Frame Compatible with Eagle Freya EX SX - HI0404631  [HI0404631]

Overview of the HI0404631 chassis

This Hirobo main frame is a precision RC-scale replacement identified by model HI0404631 and intended for use with common parts across the Hirobo Eagle, Freya, EX and SX series. It locates rotor heads, gearboxes and mounting points to preserve correct airframe geometry after repairs or component swaps.

Fit this frame when realigning the airframe after impact or when replacing an old chassis section. The focus here is on compatibility and assembly function rather than specifying fastener sizes or machining tolerances; always verify fit with your rotor head, gearbox and tailboom attachments before final installation.

Compatibility

• Common parts for Eagle
• Common parts for Freya
• Common parts for EX
• Common parts for SX

This replacement frame restores structural alignment and offers a stable platform for maintenance and rebuild work on compatible Hirobo helicopters.