The Petzl GriGri Belay Device is a lightweight and compact cam-assisted blocking belay device designed for belaying both lead and top-rope climbers. Weighing just 175 g, it combines a compact design, durable construction, and cam-assisted blocking to provide comfortable rope handling during climbing.

When the climber falls or weights the system, the rope tightens and the cam pivots to pinch and block the rope. The ergonomic handle also provides smooth descent control, while the handle and camming mechanism create a 3:1 mechanical advantage to help reduce the effort required to control the descent.

Key Features

• Lightweight and compact cam-assisted blocking belay device.
• Designed for belaying lead and top-rope climbers.
• Weighs only 175 g.
• Cam-assisted blocking pinches and blocks the rope when the system is weighted.
• Diagram engraved on the device makes rope installation easier.
• Designed for standard slack-feeding and fall-catching techniques used with Petzl belay devices.
• Compatible with 8.5 to 11 mm dynamic single ropes.
• Optimized for 8.9 to 10.5 mm dynamic single ropes.
• Ergonomic handle provides controlled rope release for lowering.
• 3:1 mechanical advantage helps reduce effort during descent control.
• Aluminum, stainless steel, and reinforced nylon construction.

Lightweight and Compact Design

The Petzl GriGri Belay Device is designed to provide cam-assisted blocking functionality while keeping weight and size low. At only 175 g, it is the most lightweight and compact cam-assisted blocking belay device in the Petzl range described here.

Its balanced construction combines compact dimensions with materials selected for durability during regular climbing use.

Cam-Assisted Blocking

The key feature of the Petzl GriGri Belay Device is its cam-assisted blocking mechanism. When the climber falls or weights the rope system, the rope tightens and causes the cam to pivot, pinching and blocking the rope.

This provides a more comfortable belaying experience while maintaining the required rope-handling technique, including keeping a hand on the brake side of the rope.

Easy Rope Installation

Installing the rope is made straightforward with a diagram engraved directly on the belay device. This provides a visual reference for positioning the rope correctly within the device.

Slack feeding and catching falls are performed using techniques standard to Petzl belay devices, while maintaining a hand on the brake side of the rope.

Wide Rope Compatibility

The Petzl GriGri Belay Device is compatible with 8.5 to 11 mm dynamic single ropes and is optimized for ropes measuring 8.9 to 10.5 mm.

The cam-assisted blocking mechanism also provides some leeway for brake-side hand positioning regardless of the angle between the climber side and brake side of the rope. The brake-side hand must still remain on the rope.

Ergonomic Descent Control

The ergonomic handle allows the belayer to unblock the rope and lower a climber. The handle and camming mechanism provide a 3:1 mechanical advantage, helping reduce the amount of effort required to control the rate of descent smoothly across the compatible rope diameter range.

Durable Construction

The device uses aluminum side plates, a stainless steel cam and friction plate, and a reinforced nylon handle. This combination provides a practical balance of low weight and durability for climbing applications.

Technical Specifications

Specification	Details
Product Name	Petzl GriGri Belay Device
Product Type	Cam-Assisted Blocking Belay Device
Weight	175 g
Rope Compatibility	8.5–11 mm dynamic single rope
Optimized Rope Diameter	8.9–10.5 mm
Side Plates	Aluminum
Cam	Stainless steel
Friction Plate	Stainless steel
Handle	Reinforced nylon
Mechanical Advantage	3:1
Certification(s)	CE EN 15151-1, UKCA, UIAA

Choose Petzl GriGri Belay Device

The Petzl GriGri Belay Device combines a lightweight 175 g design with cam-assisted blocking, easy rope installation, broad single-rope compatibility, and ergonomic descent control. Designed for both lead and top-rope belaying, it offers versatile rope handling for climbing applications.

Shop the Petzl GriGri Belay Device from Backpackers Outdoor and add a compact, lightweight belay device to your climbing equipment.