Pulleys

Poleas
Pulleys Petzl

Pulleys Petzl
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Buy Pulleys at Aristarun

At Aristarun you will find a technical catalog of Pulleys for climbing, via ferrata routes and rope maneuvers. This range is oriented toward advanced users and covers pulleys of different diameters, bearings, and braking systems to optimize rope management and minimize friction during demanding ascents. With our technical data sheets you can compare load capacity, rotation, and wear resistance, ensuring compatibility with your rope-progression and rock-traversal systems. Choose Aristarun for its rigorous brand selection and the availability of reliable models within the climbing and via ferrata components family.

Types of Pulleys available at Aristarun

Pulleys are a specific variant within our rope and progression product family; below are the key differences between each type:

Harnesses

Harnesses allow fixing the rope and ensuring progression from the body, unlike Pulleys which are used for redirects and friction management within rope systems.

Belay devices and blockers

Belay devices and blockers control rope progression and stopping; Pulleys focus on redirects and the reduction of friction within a pulley system.

Climbing and Via Ferrata Helmets

Helmets provide structural protection against impacts; they do not participate in rope management; they integrate with Pulleys within belay systems, but their function is different.

Quickdraws

Quickdraws allow quick attachments and anchors; they do not replace Pulleys in the management of rope loops and rope routing.

Climbing Via Ferrata Accessories and Energy Absorbers

Accessories and energy absorbers provide cushioning and additional safety on ascents; Pulleys are integrated to change the rope direction, but they are not dissipators by themselves.

Why choose Pulleys? Key technical parameters

For you, who seek performance in ascents and movements with sustained vertical load, these parameters define the efficiency gains in rope systems:

  • Wheel diameter: directly impacts rope friction and maneuverability; a larger diameter reduces grip tension, especially with high-stiffness rope.
  • Material and finish: aircraft-grade aluminum or steel for specific uses; defines weight, strength and heat dissipation in bearings.
  • Load capacity and WLL: specifies the safe working load for long ascents and ferrata traversals, avoiding failures due to fatigue.
  • Bearing type: sealed or unsealed; influences durability against dust, moisture and repeated rotation cycles.
  • Weight per unit: affects system balance and metabolic efficiency in rope routing, relevant when choosing pulleys for long ferrata circuits.

Frequently Asked Questions about Pulleys

What type of pulley is best for prolonged ascents?

For long-duration ascents, prioritize pulleys with sealed bearings, appropriate diameter and smooth rotation; avoid models with exposed bearings in dusty or humid environments. Ensure compatibility with the rope and the winch of your progression system.

What is the difference between a single-bearing and a double-bearing pulley?

The double-bearing pulley distributes the load across two axles, reducing friction and increasing durability during repeated turns; it is especially useful in systems with long rope travel or ferrata traversals.

Explore the full catalog of Pulleys and their variants at Aristarun for climbing and ferratas; also check the related sections to complete your rope system. Access directly to Pulleys or explore relevant subcategories such as Harnesses, Belay devices and blockers or Quickdraws.