Petzl Croll - B16BAA
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Product Information
Full details
The Petzl CROLL S chest ascender is an essential tool for rope access professionals and technical climbers who need a lightweight, efficient solution for ascending ropes. Its primary benefit is the combination of high-grip performance and exceptional durability, thanks to the integrated stainless steel wear plate that protects the device from rope friction. While it provides a smooth and reliable ascent experience, users should note that it is strictly designed to be used in a system alongside a second ascender, such as the Petzl BASIC or ASCENSION, rather than as a standalone safety device.
All features
| Model Part Number | B16BAA |
|---|---|
| Brand | Petzl |
Extended Product Information
FAQs
Can I use the CROLL S with a single rope?
Yes, it is compatible with 8-11 mm diameter semi-static ropes.
Do I need another device to use with this?
Yes, the CROLL S must be used in conjunction with a second ascender like the Petzl BASIC or ASCENSION.
How do I know if the wear plate needs replacing?
Inspect the plate for deep grooving. If the metal has been worn through to the body of the device, it should be retired.
Is this device suitable for lead climbing?
No, this is a specialized ascender designed for ascending fixed ropes in rope access or caving, not for lead climbing.
How do I clean the cam?
Use a soft brush and warm, fresh water to clear debris from the teeth and the self-cleaning slot.
Troubleshooting
Device is slipping on the rope.
Check the rope diameter to ensure it is within the 8-11 mm range and inspect the cam teeth for accumulated debris or excessive wear.
The cam does not open easily.
Ensure that the internal spring mechanism is free of obstruction and that no grit is lodged behind the cam pivot.
Pros and Cons
Pros
- Extremely lightweight and compact design
- Self-cleaning slot performs well on dirty or frozen ropes
- Reinforced wear plate drastically improves longevity
- Simple one-handed operation
- Maintains excellent positioning against the body
Cons
- Cannot be used as a standalone safety device
- Restricted to 8-11 mm rope diameters
- Requires proper orientation to function correctly
Setup, Compatibility & Care
To set up the CROLL S, attach it to your chest harness using the designated attachment points to ensure it remains flat against your chest. It is fully compatible with semi-static ropes ranging from 8 to 11 mm in diameter. When connecting, ensure the rope is inserted into the cam according to the orientation arrows engraved on the device. For care, rinse the device with fresh water after exposure to salt air or muddy conditions. Periodically inspect the toothed cam and the stainless steel wear plate for excessive damage or loss of teeth grip. Store in a dry, well-ventilated area away from direct chemicals.