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K-Flex, the friend of the tandem pilot 🙂

You never have the right size harness for your passengers?
Your students are struggling with a harness too large or too small for their size?
The K-Flex is the solution!
Suitable to all weights and sizes, from 1.5m to 2m.
Wide range of uses: tandem passagenrs, slope training, first flights.
Fully adjustable harness:

- Seat width

- Height of anchor points

- Back height

- Dorsal inclination

- Side handles for take-off assistance

- Removable cleaning cover.

- Non-forgettable safety chest strap

- Back pocket.

- Pre-formed airbag protection with 2 air intakes.

The K-Flex is equipped with a subcutaneous airbag that is particularly effective in the event of an impact, thanks in particular to its unique valve system that deploys during the most severe impacts.
The deployment of this valve outside of the airbag helps optimize the damping of the impact.
If this valve does get deployed, it is easy to re-install inside the airbag as explained in the diagram below, possibly using the zipped opening that must be carefully closed prior any new use of the harness.

Type of Practice


Non-forgettable safety chest strap

Non-forgettable safety chest strap

Once the chest strap is locked, it is impossible to fall out of the harness.
Actioncam holder

Actioncam holder

Anchor points adjustable in height.

Anchor points adjustable in height.

Krashbox Valve

Krashbox Valve

Exclusive system for improving the performance of the small Krashbox volume, specific to the K-Flex.
Support Handle

Support Handle

Two special side-handles to to assist in strong wind takeoffs, or to improve the standing to seating transition
Adjustable seatplate width

Adjustable seatplate width

Self-locking carabiners

Self-locking carabiners

40mm self locking carabiners sold as standard


Quick Guide


The life of your harness depends on how often and how it is used. Mechanical stress and friction gradually degrade the properties. U.V. rays and humidity can also lead to accelerated ageing.

Normal period of use: 10 years.
Caution: This duration of use is indicative. A harness can be destroyed the first time it is used. A check every 2 years will determine whether the product should be disposed of more quickly. Between uses, proper storage is essential.

The operating time should never exceed 10 years.