Skip to Content

Pump Knife Stabilizers

The global level of pumping is exploding, and the demands of riders are rising with it. The range Pump Knife (PK) is our response: stabilizers with extreme elongations (up to 17), designed like precision blades to reduce drag to its absolute minimum.

  • The Innovation : Ketos was the first manufacturer in the world to break the codes with a stab of 50 cm², followed today by the PK 40, the most extreme stabilizer ever designed.

  • The Feeling : A feeling of total freedom. Combined with the fuselage Klever Modular and the tails Performance Tail (PT), the back of your foil achieves unmatched thinness for endless gliding.

  • Usage : Long distance pumping, Downwind technique, High-speed wingfoiling.


157.50 € 157.50 € (Tax included)

  • FOIL / Stab
General conditions
Delivery: Between 3 and 4 weeks
Description: The Pumping Foundation Blade

Inspired by the finesse of Japanese knives, the PK series is the culmination of months of testing to provide pumpers with the ultimate progression tool. Its monolithic structure ensures exemplary rigidity: at Ketos, no warranty restrictions apply, you can jump and engage without limits.

One Range, Six Characters

  • PK 40 & PK 55 :  The Extreme. For experts and competitors. The 40 is the most radical stab in the world. The 55 is the perfect tool to trigger the technical "click" and smash your personal records.

  • PK 85 : The Player.The ideal compromise for Downwind where it allows you to carve with the agility of a small wing.

  • PK 105 : The Enduring.Fast and stable, it relieves the back leg for long-distance pumping sessions while freeing your turns.

  • PK 135 & PK 165 : The Control. Versatile stabs (Wing/DW/Pump). The 165, with its generous wingspan and optimized camber, stabilizes your starts and helps you navigate high on the mast with total serenity.

Compatibility & Customization

Because performance should be accessible to everyone, the PK stabs are available in a Multibrand version (Spacing 28 to 40mm).

The Ketos service : We provide free 3D printed adaptation wedges (for Axis, F-One, Indiana, etc.) as well as a set of 6 rake shims included to adjust your foil to the millimeter.

Key Specifications:

  • Construction : Monolithic Prepreg Carbon under mold.

  • Aspect Ratio : Up to 17 (High Aspect Ratio).

  • Design : "Sober" finish (Carbon black, white logo, handwritten inscriptions).

  • Included : Premium neoprene cover (usable on mounted plane) and a kit of 6 adjustment shims.


100% Made in Savoie

Expert since 2009

Secure payment

Maintenance / Repair

Customize your foil

Join a family