Fi-135 3-Inch FPV Racing Drone Frame Kit for DJI O4 Air Unit with 3K Carbon Fiber Construction
The Fi-135 3 Inch Propeller Frame Kit is a lightweight and durable FPV drone frame engineered for high-performance racing and freestyle flying. Specifically designed for compatibility with the DJI O4 Air Unit and nano-size FPV cameras, this frame delivers an immersive HD digital FPV experience with low-latency video transmission and responsive flight handling. Its compact 135mm wheelbase provides excellent balance between agility and stability, making it suitable for both racing tracks and outdoor freestyle environments.
Constructed from premium 3K carbon fiber, the Fi-135 frame combines lightweight performance with excellent structural rigidity and crash resistance. The frame supports multiple flight controller mounting patterns, allowing flexible component selection and future upgrades. Optimised for 3-inch propellers, it provides improved thrust, speed, and flight efficiency while maintaining precise control in tight manoeuvres. A dedicated GPS mounting area and clean internal layout help create organised, professional FPV builds for enthusiasts and advanced pilots.
Key Features
- DJI O4 Air Unit Compatible: Designed specifically for DJI O4 digital FPV systems.
- Nano Camera Support: 14mm camera bay supports nano-size FPV cameras.
- 3K Carbon Fiber Construction: High-strength lightweight frame for racing and freestyle flying.
- Optimised for 3-Inch Propellers: Delivers efficient thrust and agile flight performance.
- Lightweight Design: Approximate frame weight of only 33g.
- Strong Structural Design: 3mm bottom plate and 2mm top plate improve durability.
- Multiple FC Mounting Patterns: Supports 25.5×25.5mm, 26.5×26.5mm, and 20×20mm flight controllers.
- Dedicated GPS Bay: Compatible with BE122 and BZ122 GPS modules.
- Clean Build Layout: Simplifies wiring and component installation.
- Freestyle and Racing Ready: Suitable for outdoor FPV flying and high-speed manoeuvres.
Applications
- FPV racing drones
- Freestyle quadcopters
- DJI digital FPV builds
- Lightweight outdoor FPV drones
- DIY RC drone projects
- HD aerial FPV systems
Package List:
- 1x set of frame KIT, without any electronic equipment.
