The Petzl Nano Traxion Pulley is an ultra-lightweight and compact progress-capture pulley designed specifically for rescue applications where minimizing equipment weight and bulk is essential. Weighing only 53 g, it is one of the most compact solutions in its category, making it easy to carry as part of a technical rescue or mountaineering equipment kit.
Despite its extremely lightweight construction, the NANO TRAXION provides a stated 91% efficiency through its sealed ball-bearing sheave. This helps deliver smooth rope movement during suitable hauling and rescue systems. The pulley is designed for ropes from 7 to 11 mm in diameter and is capable of operating with frozen or muddy ropes within its intended application.
The compact design also incorporates practical features for technical use. A dedicated attachment hole allows an Sm’D carabiner to be connected to the pulley with a cord, helping prevent accidental loss of the device. Rope installation diagrams are engraved inside the pulley to assist with correct rope installation.
Key Features
- Product: Petzl Nano Traxion Pulley
- Type: Progress-capture pulley
- Weight: Only 53 g
- Efficiency: 91%
- Sheave Diameter: 18 mm
- Sheave Type: Sealed ball bearings
- Compatible Rope Diameter: 7–11 mm
- Breaking Strength: 15 kN
- Breaking Strength as Progress-Capture Pulley: 4 kN
- Certifications: CE EN 567, UIAA
- Ultra-compact design
- Designed for rescue applications
- Suitable for frozen or muddy ropes
- Rope installation diagrams engraved inside
- Attachment hole for loss prevention
- Compatible with RAD LINE 6 mm cord
- Compatible with PUR’LINE 6 mm cord for hauling a pack
Ultra-Lightweight and Compact Construction
The standout feature of the Petzl Nano Traxion Pulley is its extremely low weight. At just 53 g, it adds minimal weight to a technical rescue kit while still providing progress-capture functionality.
Its very compact size is particularly valuable for rescue professionals and outdoor users who need to carry multiple pieces of technical equipment without increasing overall pack weight or bulk.
Efficient Sealed Ball-Bearing Sheave
The NANO TRAXION uses an 18 mm sheave mounted on sealed ball bearings, providing a stated efficiency of 91%. The bearing system is designed to support smooth rope movement during appropriate rescue and hauling applications.
The pulley accepts ropes with diameters from 7 to 11 mm and is designed to work even when ropes are frozen or muddy, making it suitable for demanding outdoor environments.
Designed for Rescue
The Petzl Nano Traxion Pulley is specifically designed for rescue applications where compact equipment can make a significant difference. Its progress-capture function can help maintain progress in suitable rope systems while its lightweight construction makes it convenient to carry as part of a technical rescue setup.
Users should always operate the pulley according to the manufacturer’s instructions and within its specified limitations.
Practical Loss-Prevention Feature
A dedicated hole allows an Sm’D carabiner to be connected to the pulley using a cord. This helps keep the device secured to the equipment system and reduces the risk of losing such a small piece of equipment during technical operations.
Rope installation diagrams are also engraved inside the pulley, providing a convenient reference when setting up the rope.
Technical Specifications
| Specification | Details |
|---|---|
| Weight | 53 g |
| Efficiency | 91% |
| Sheave Diameter | 18 mm |
| Sheave Type | Sealed ball bearings |
| Minimum Rope Diameter | 7 mm |
| Maximum Rope Diameter | 11 mm |
| Breaking Strength | 15 kN |
| Breaking Strength as Progress-Capture Pulley | 4 kN |
| Certifications | CE EN 567, UIAA |
| Compatible Cord | RAD LINE 6 mm |
| Pack Hauling Cord | PUR’LINE 6 mm |
Available from Backpackers Outdoor, the Petzl Nano Traxion Pulley is an ideal choice for users seeking an ultra-lightweight, compact, and efficient progress-capture pulley for rescue applications, particularly where every gram and every bit of equipment space matters.



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