Edelrid Spoc – ultra-light pulley with backstop The Spoc is an ultra-light pulley with an integrated backstop, designed for lifting loads, crevasse rescue operations, or as an emergency ascender. Compact and efficient, it’s a smart piece of kit for alpine and rescue-style scenarios where weight and reliability matter. Ball bearing pulleys deliver high efficiency, while the cams provide strong grip even on iced or muddy ropes. The backstop can also be fixed open, allowing you to use the Spoc as a simple pulley when needed. Why we like it at arrampica! Very lightweight and compact for alpine or emergency kits High efficiency makes hauling noticeably easier Cams help maintain grip on dirty or icy ropes Backstop can be locked open for simple pulley use Key Features Ultra-light pulley with backstop for hauling, crevasse rescue, or emergency ascending Ball bearing pulleys for high efficiency (92%) Cams for optimal grip on iced or muddy ropes Backstop can be fixed in the open position to use as a simple pulley Compatible with 7.0–11.0 mm ropes and the Edelrid Rap Line Technical Details Brand Edelrid Type Pulley with backstop Efficiency 92% (ball bearings) Pulley diameter 20 mm Rope diameter 7.0–11.0 mm (incl. Edelrid Rap Line) Backstop mode Can be fixed open for simple pulley use Use Hauling, crevasse rescue, emergency ascender arrampica! tip A great “just in case” tool for alpine routes and glacier travel: keep it in your rescue kit for hauling and crevasse scenarios, and you’ll appreciate the efficiency when a system needs to work smoothly under load.