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AOS 3.5 O3 FPV Frame Kit with 4mm arm for FPV

AOS 3.5 O3 FPV Frame Kit with 4mm arm for FPV


Regular price $72.61 USD
Regular price $108.91 USD Sale price $72.61 USD
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Free Shipping: 9-15 days to arrive.

Express Delivery: 5-8 days to arrive.

Warehouse: China/USA/Europe, Can delivery to all countries, tax included.

Free shipping & User guarantee

  • Free Shipping:Ships within 3days, arrives within 10-18 days
  • Paid Express: Ships within 2days,arrives within 4-7 days
  • Money back guarantee: Quality problems, return and exchange within 30 days
  • 12-month warranty, long-term after-sales service
  • No need to register account, Order tracking url will send to your email
  • More FAQ:FAQ


Wheelbase: Bottom Plate

Use: Vehicles & Remote Control Toys

Upgrade Parts/Accessories: Frame

Tool Supplies: Cutting

Technical parameters: Value 2

Size: 3.5inch

Remote Control Peripherals/Devices: Remote Controller

Recommend Age: 12+y

RC Parts & Accs: Antennas

Quantity: 1 pcs

Origin: Mainland China

Model Number: AOS 3.5 O3

Material: Carbon Fiber

Four-wheel Drive Attributes: Assemblage

For Vehicle Type: Airplanes

Certification: CE

Brand Name: IFLIGHT


  • Built to go toe to toe with 5" Freestyle quads whilst weighing under 250g. The AOS 3.5 O3 has been updated to be compatible with the new DJI O3 Air Unit as well as existing 20x20mm and 25.5x25.5mm electronics. The camera cage and arms have been reinforced to improve durability. As with all AOS frames exceptional vibration and resonance performance is guaranteed, eliminating IMU resonance issues with O3 image stabilisation.


  • Approx. 50g with all hardware

  • Designed for up to 3.5 inch props

  • 160mm wheelbase

  • 4 mm Arms

  • One 25.5x25.5 or 20x20 mm stack in the front and one 25.5x25.5 or 20x20 mm stack in the rear OR One 25.5x25.5 or 20x20 mm stack in the centre

  • Fits the DJI O3 Air Unit, Caddx Vista or HDZero Whoop VTX perfectly

  • Fits both 20mm (DJI and O3 camera) and 19mm (Micro sized) cameras

  • Motor mounting 9x9 up to 12x12 (1404, 1504, 1505 recommended)

  • Standoffs, frame and screws included


  • Product Name: AOS 3.5 O3 Frame Kit

  • Frame wheelbase: 162mm

  • Frame Dimension: L94.5*W131*H29 mm

  • Arm Thickness: 4mm

  • Top Plate Thickness: 1.5mm

  • Bottom Plate Thickness: 2mm

  • Upper Plate Thickness: 1.5mm

  • Motor Mounting: 9x9mm-φ2mm

  • VTX Mounting: 20*20/Φ2mm / 25.5*25.5/Φ2mm

Packing List

  • 1 x AOS 3.5 O3 Frame Kit

  • 1 x TPU Parts

  • 4 x Motor Wire Shield Tube

  • 1 x Screw Bag

  • 2 x Battery Strap

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