Toys & Games · United States

Happymodel Crazybee F4 Pro V2.1 2-3S Lipo Flight Controller, Replacement FC for Sailfly-X FPV Quad, Dual Version Selection

Lowest price: $51.95 · 1 store · price range $101.86 … $101.86 · 49% off the list price

Price history: 5 daily prices tracked since 2026-10-20; lowest $51.78, highest $51.95.

Price last confirmed by the store feed on 2026-10-30.

Happymodel Crazybee F4 Pro V2.1 2-3S Lipo Flight Controller, Replacement FC for Sailfly-X FPV Quad, Dual Version Selection

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Store 1 (US)$51.95In stockGo to store

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