Petzl Spin S1 Openable Pulley with Swivel – Standard Black

Overview

The Petzl Spin S1 Openable Pulley with Swivel is built for demanding setups where space is tight and efficiency matters. Its compact form helps you keep gear light and unobtrusive on a harness or anchor, while a purpose-built opening system lets you thread rope without disconnecting the device from the anchor.

Key benefits in practice

• Openable while anchored: The triple-action side plate opens quickly, even with gloves, allowing rope installation while the pulley remains connected to the anchor.
• Compact, lightweight design: Weighing around 145–160 g, with a 25 mm mid-size sheave on sealed ball bearings, delivering smooth performance with minimal bulk.
• Swivel versatility: The swivel helps you orient the pulley under load; it supports the passage of ropes or tapes to simplify maneuvers and works with standard carabiners and rigging plates.
• Clear safety indicator: A red visual indicator shows when the movable flange is not blocked, adding a quick pre-use check for secure closure.
• Rope compatibility and protection: The flanges are shaped to protect rope passage and support a variety of common rope sizes within 7–11 mm.

Real-world uses

In technical rescue or rope access tasks, the Spin S1 shines when you need a reliable, compact solution for recovery operations, cableway setups, or deviation lines. The design emphasizes lightness and swift threading without sacrificing performance or control.

What to expect from the Spin S1

Users often appreciate the balance of weight, maneuverability, and ease of use. The combination of openable side plate, swiveling orientation, and red indicator can help you work more confidently in overhead or constrained environments—though experiences may vary with setup and rope choices.

Technical specs at a glance

• Weight: approximately 145–160 g
• Rope compatibility: 7–11 mm
• Pulley diameter: 25 mm
• Maximum load: 5 kN working, 23 kN breaking
• Certifications: CE EN 12278, NFPA 1983, UIAA