Climbing pulleys

Climbing pulleys: find the ideal model for your mountain adventures

Whether you're on a glacier, a multi-pitch route or a zip line, the climbing pulley is one of the most discreet yet essential pieces of your gear. It protects your ropes, multiplies your pulling force during hauling systems, and can make all the difference in a crevasse rescue. Discover a selection of pulleys on Snowleader, suited to every activity and skill level.

The different types of climbing pulleys

Single and double pulleys

A single, compact and lightweight model is usually enough for hauling a bag on a multi-pitch route or setting up a quick rope redirect. Its minimal bulk makes it the perfect companion for those counting every gram in their mountaineering pack. The double pulley, equipped with two sheaves, serves another purpose: it offers higher mechanical efficiency and allows you to multiply your pulling force, which is crucial as loads increase.

For zip lines, for example, choose a double pulley specifically designed for movement on rope and cable. It is built for smooth and efficient travel.

High-efficiency pulleys

What sets a high-efficiency pulley apart is above all its ball bearing: by reducing friction on the axle, it returns a much greater portion of the force applied to the rope. In practice, during hauling or crevasse rescue, every percentage of efficiency gained means less physical effort for the climber. On a long zip line, the difference is immediately noticeable in the smoothness of movement. Some brands, such as Petzl, combine this high efficiency with a locking function for outstanding versatility in the field.

Locking pulleys and their use

Planning a multi-pitch climb with gear hauling, or want to ascend a rope independently? The locking pulley, sometimes called a cam ascender, features an auto-locking mechanism that prevents the rope from slipping back. This equipment is essential for hauling systems, self-rescue, and glacier travel. For added safety, it is often used together with a prusik knot.

Other ultra-lightweight models, often single pulleys made from aluminium alloy or steel, are a natural fit at the bottom of your pack for emergency crevasse rescue or unexpected hauling.

Via ferrata pulley: which model for zip lines?

On a via ferrata route, the pulley is mainly used for zip line sections. The metal cable puts different stresses on the sheave compared to textile rope: friction is higher, and vibrations are more pronounced. In this context, a double pulley or a high-efficiency model designed for cable travel will provide much greater stability and smooth movement, even when the line stretches over dozens of metres.

Some climbing pulleys are compatible with via ferrata, provided you check the manufacturer's specifications, especially the accepted cable diameter and working load. If you regularly do via ferrata, choose models specifically designed for cable zip lines: their reinforced side plates and adapted bearings better withstand metal wear. Both Petzl and Camp offer proven options for this use.

How to choose the right pulley for your needs

Selection criteria: weight, size and use

Every mountain outing has its own requirements, and choosing a climbing pulley depends above all on how you intend to use it. Here are the criteria to consider before making your choice:

• Weight: a key factor for mountaineering and multi-pitch climbs where every gram in your pack matters.
• Compatible rope diameter: check that the pulley fits your ropes (usually between 8 and 13 mm).
• Breaking strength and resistance: these figures, given in kN, ensure the pulley can handle the demands of your activity.
• Efficiency: pulleys with ball bearings offer higher efficiency than those with bushings, a notable advantage for prolonged hauling.
• Intended use: zip line, hauling, crevasse rescue, multi-pitch hauling or simple rope redirect.
• Compatibility with your carabiner: make sure the pulley's side plates fit properly with your carabiner to avoid any connection issues.

The best pulley brands on the market

Snowleader has selected a range of pulleys to best meet your needs and preferences. Petzl is a benchmark thanks to its locking and high-efficiency pulleys, designed and tested in Chartreuse. For climbers seeking compact and particularly lightweight models, Camp offers a proven range for both mountaineering and sport climbing. Wild Country and Edelrid complete the selection with pulleys suitable for both occasional outings and regular use on multi-pitch routes.

Climbing pulley FAQ

Which pulley should you choose for a zip line?

Opt for a double high-efficiency pulley with ball bearings. Wide side plates make it easier to use on cable and rope, while the double sheave ensures smooth and safe movement, even over long distances where friction can hinder entry-level models.

Which pulley should you choose for via ferrata?

For via ferrata, choose a double pulley or a model specifically designed for cable zip lines. These pulleys offer better efficiency and more stability than a standard single climbing pulley, thanks to reinforced side plates and bearings adapted to metal. Always check that the manufacturer approves use on cable before starting a route.

How do you maintain your pulleys for long-lasting performance?

After each outing in wet or dusty conditions, rinsing with clean water is enough to prevent particle build-up on the sheave. Regularly check the condition of the axle, side plates and cam for locking models. Lubricate the axle as recommended by the manufacturer and store your pulley in a dry place, away from UV light.

What signs of wear should you look for on a climbing pulley?

A sheave that turns with difficulty or irregularly is the first warning sign. Also watch for deep scratches on the side plates, any abnormal play in the axle, and any visible deformation. If your pulley has suffered a major impact or exceeded the lifespan indicated by the manufacturer, replace it without hesitation.

Can you use a climbing pulley for other outdoor activities?

Some pulleys are indeed suitable for caving, canyoning or working at height. Just make sure to respect the maximum loads and safety standards for each discipline, as usage requirements can differ significantly between activities.

Discover our full range of climbing pulleys on Snowleader: free delivery from £199, free returns within 60 days, and a free gift from £299.