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Updated to provide greater comfort, efficiency and ease of use, the Petzl Ascenion ascender is great for aid climbing, mountaineering or caving.

  • Features

    • Updated molded grip features a more ergonomically shaped handle that provides greater comfort than the previous version; grip is over-molded with rubber for greater friction
    • Large index finger indent increases efficiency when pulling on the ascender
    • Chrome-plated, spring-loaded steel cam features angled teeth and a self-cleaning slot to securely grip the rope, even in wet, muddy or icy conditions
    • Cam has been refined to glide more easily along the rope, requiring less effort during long sessions of jugging
    • Open/close trigger is now recessed inside the ascender's frame to avoid accidentally opening the cam while in use; trigger can still be operated with 1 hand
    • Safety catch prevents the cam from opening too far, thereby keeping the rope captured
    • Includes multiple attachment points to allow for different uses, such as self-belaying or hauling
    • Anodized frame is color coded for easy identification; black ascender is for the left hand and gray is for the right
    • Designed for use with ropes between 8 and 13mm in diameter


    View all Petzl Ascenders and Descenders
  • Technical Specs

    Best Use



    Fits Rope Sizes

    8 - 13 millimeters

    Body Material


    Cam Material

    Chrome-plated steel


    195 grams

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