Petzl Croll Chest Ascender

No, the Croll S is designed specifically as a chest ascender to be used in conjunction with a hand-held ascender like the Petzl Ascension. It is not intended for solo rope climbing or as a primary safety device.

Yes. The Croll S features a toothed cam with a self-cleaning slot that effectively clears mud, ice, or debris from the rope, ensuring the teeth maintain a reliable grip even in poor conditions.

This device is certified for use on single ropes ranging from 8 mm to 13 mm in diameter.

The angled lower hole is a deliberate design choice that keeps the device positioned flat against your stomach. This ensures the ascender stays properly aligned with the rope, making your climbing movement more efficient and comfortable.

Yes, you should use shoulder straps. The rectangular upper hole is specifically designed to attach a chest harness or shoulder straps, which keeps the Croll S upright and prevents it from sliding down while you climb.

The Croll S is optimized for compactness and weight reduction, making it a favorite for caving and technical rope access where every ounce counts. Its stainless steel wear plate also adds significant durability against rope friction compared to lighter, all-aluminum models.