Assureur Edelrid Nano Jul Slate

At just 65 grams, the Edelrid Nano Jul is the lightest assisted braking belay device in the Jul series—a featherweight that doesn’t compromise on safety or control.

Overview

The Nano Jul is a tube-style belay device with assisted braking, engineered for climbers who count every gram. Hot-forged aluminum construction delivers exceptional durability and wear resistance, while the slate finish adds a sleek, understated look. It’s certified to EN 15151-2, meeting rigorous European standards for belay devices. The device accepts single ropes from 8.9 to 10.5 mm and half/twin ropes from 7.8 to 9.0 mm, making it versatile for sport climbing, multi-pitch routes, and alpine adventures.

What stands out

• Assisted braking for added security during falls and lowers
• Guide mode capability for bringing up seconds in multi-pitch climbing
• Optimized for HMS carabiners for smooth rope handling
• Fast, smooth rope feeding reduces drag on long pitches
• Dynamic lowering control allows precise, jerk-free descents

Technical details

• Material: Hot-forged aluminum
• Weight: 65 g
• Color: Slate
• Certification: EN 15151-2
• Rope diameter (single): 8.9 - 10.5 mm
• Rope diameter (half/twin): 7.8 - 9.0 mm
• Braking system: Assisted braking (tube-style)
• Application: Sport climbing, multi-pitch, alpine climbing

Our verdict

The Nano Jul is the ultimate belay device for weight-conscious climbers who refuse to sacrifice safety. Its assisted braking and guide mode make it a reliable partner on everything from crag days to big alpine objectives.