Petzl Petzl Knee Ascent Loop

Code: D022DA00
(inc. VAT)

Petzl Knee Ascent Loop

The Petzl knee ascender assembly with foot loop is designed to facilitate ascents on a single rope, when using the ZIGZAG or ZIGZAG PLUS mechanical prusik on a single rope. It contains an upper strap, a CROLL L rope clamp, a lower strap with foot loop and an XS size TOOLBAG tool pouch. The system is entirely adjustable and adapts to all shapes and sizes.

Full description


Petzl Knee Ascent Loop

Detailed description

Facilitates ascents on a single rope:

  • Upper strap is connected to the mechanical Prusik to allow the ZIGZAG or ZIGZAG PLUS and CHICANE unit to be raised.
  • CROLL L rope clamp is integrated, for a comfortable ascent in conjunction with a PANTIN foot-mounted rope clamp (not included).
  • Lower Dyneema strap with foot loop for optimal foot positioning.

Easy to install and remove:

  • Easy to put in place, thanks to connectors and adjustment bucklescomes with XS size TOOLBAG tool pouch, making for a system that is always ready to use.
  • CROLL L rope clamp is easy to install, thanks to the integrated thumb catch.
  • Multiple settings adjust to different shapes and sizes.
  • Optimal durability, thanks to components available as spare parts.

Technical Information

  • Min. rope diameter: 8 mm.
  • Max. rope diameter: 13 mm.



Manufacturer's Downloads


Arborist Equipment

Arborist Equipment Type
Ascenders / Rope Grabs


Industrial or Sport Use
CE EN1891 Type A
Aluminium, Nylon, Steel, Polyester,

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