Sub250 DollyFly25 DF25 V2 Frame & Parts Kit for DJI O4 Air Unit Pro, 120mm 2.5in FPV

Overview

Sub250 DollyFly25 DF25 V2 is a 2.5-inch FPV Frame and Parts platform featuring an upgraded frame structure, a mech-style canopy design, and a high-strength, high-flex protection frame. The layout includes a top-mounted USB tuning port and a rear-mounted GPS holder, and it is compatible with the DJI O4 Air Unit Pro VTX module.

Key Features

• Upgraded frame structure: refined design and optimized layout.
• Top-mounted USB tuning port.
• Rear-mounted GPS holder.
• All-new mech-style canopy design.
• High-strength, high-flex protection frame.
• 4-point floating vibration-damping system: damping-ball suspension isolates the VTX module from the frame.
• Quick maintenance: remove 6 screws to separate the protector frame from the main body.

Specifications

Note: The size and weight are for reference only. Please refer to the actual product for details.

Selectable Options / Replacement Parts

• Frame
• Carbon plate
• Upper Hood - Blue
• Upper Hood - Black
• Lens bracket - Black
• Aluminum Parts
• Tail seat accessories
• Protective frame (blue-green)
• Cable package
• Receiver mounting hardware
• Lens vibration reduction ball
• Battery cable ties
• Battery anti-slip mat
• Screw package
• Parameter Adjustment Board
• COB LED Strip
• GPS dock
• COB LED Strip Mini BEC

What’s Included

Package contents depend on the selected option. The frame kit parts list shown includes:

• Main Carbon Plate x 1
• Canopy (Mint Green) x 1
• Canopy (Black) x 1
• Camera Mount (Black) x 1
• Side Aluminum Parts x 2
• Prop Guard x 1
• GPS Mount x 1
• Isolation Plate x 1
• Receiver Mount x 1
• Tail Mount Body x 1
• M2x3.5x13 Aluminum Post x 2
• M2x3.5x15 Aluminum Post x 2
• Gimbal Damping Balls x 8
• Wire Loom x 4
• Battery Strap Mount (Aluminum) x 2
• Battery Anti-slip Pad x 2
• USB Adapter Board x 1
• Battery Strap x 2
• L-shaped Hex Screwdriver 1.5mm x 1

Applications

• 2.5-inch FPV builds using 25.5 mm x 25.5 mm FC/VTX mounting patterns
• Builds requiring compatibility with the DJI O4 Air Unit Pro VTX module
• Lightweight builds needing integrated prop guard protection and a GPS mounting location

For compatibility questions about your electronics stack or which option to choose, contact support@rcdrone.top or visit https://rcdrone.top/.

Details

Built for compact 2.5-inch FPV builds, the DF25 V2 combines a rigid carbon main plate with an integrated prop-guard protection frame.

An updated layout adds a top USB tuning port and rear GPS mount while keeping clean compatibility with the DJI O4 Air Unit Pro.

The 4-point floating vibration-damping system helps isolate the VTX module from frame vibration for cleaner video.

Quick access hardware makes it easier to separate the protector frame from the main body for repairs and upgrades.

Full dimensions and mounting patterns are listed for flight controller, VTX, motor mounts, camera spacing, and overall weight.

Everything needed for the frame build is organized in the kit, including carbon plates, prop guard, canopy parts, hardware, and mounts.