Slim X 2.5″ – FPV Racing Drone Frame

USD $24.50USD $32.50

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FlexRC Slim X 2.5″ (135mm motor to motor) is an ultra light (only 10.5g) FPV racing drone frame for up to 2.5″ propellers and the low profile rolling cage with the new unique locking mechanism which requires minimal hardware (1 standoff) to stay in place, which supports various micro cameras and can accommodate up to 18mm tall stack.

FlexRC Slim X 2.5″ is designed for 16×16 electronic with an optional support for 20×20 electronics.

Choose 2mm version if you are planing to build ultra light 1-2s batteries 1102, 07xx, 08xx high kv motors drone.

Choose 3mm version if you are planing to fly with 2-3s batteries and up to 1108 motors.

Made for order (Lead Time is 1 – 3 days)

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SKU: 0625 Category: Tags: ,



Ultra light FPV frame

Slim X 2.5″ weights only 10.5g which is less than some smaller frames.

Very Durable drone frame

We are taking a time to properly align carbon fibers which makes it very durable even with the very thin arms.

* As long as you stay within recommended configuration and target weight

Good camera protection

Slim X 2.5″ support up to 20mm wide micro FPV Cameras, such as but not limited to:

  • HGLRC Elf FPV Camera
  • RunCam Micro Swift
  • Foxeer Predator
  • RunCam Micro Eagle

and provides excellent lens protection.

Excellent propellers

Fly with amazing Gemfan 2.5″ 3 blade propellers
Gamfan Flash 2540 2.5 inch propellers

Great selection of motors

Recommended FlexRC FX1102 12500kv motors offer excellent performance on 1S and turn it into a rocket on 2S batteries.

If you want to get even better performance on 1s then FlexRC FX1102 15000kv motors will be an excellent choice.

You can also experiment with some 0703, 0705 and 08xx motors.


  • Full frame assembly with one standoff is around 11gram
  • Very durable
  • Great protection of the electronics
  • Easy access to all the components
  • Ability to use 07xx, 08xx, 1102 and 1103 motors
  • Supports up to 2.5″ propellers
  • Supports 16×16 and 20×20 Flight Controller / ESC mount
  • Supports up to 20mm wide micro FPV cameras

Recommended parts

We’ve tested various components and our favorite were:

Flight Controller

Speed Controller



FPV Camera


Step Up/Step Down regulator

Package includes

  • Main plate – 1pc
  • Side plate – 2pcs
  • M2 20mm spacers – 10pcs
  • M2 5mm screws – 10pcs

* 3D printable mini/AIO camera mount is not been included

** 3D printable canopy is not included and be purchased separately

Since 2018-11-23 this item is made for order and doesn’t offer lifetime warranty

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