Edelrid BIRDLIME 1R 9.8 mm – Eco-Conscious All‑Round Climbing Rope
Meet BIRDLIME 1R – the world’s first climbing rope made partly from renewable bio-based polyamide sourced from castor oil. With over 40% of its material coming from plants (castor-oil-based material, i.e. from a raw material made from renewable components), this rope is the perfect bridge between mythic performance and modern responsibility—fit for both rock-smithed adventures and alpine odysseys.
Diameter: 9.8 mm
Weight: 60 g/m
Core/Sheath Ratio: 59 % / 41 %
Fall Rating: 6 UIAA falls
Impact Force: 8.5 kN
Static Elongation: 8.9 %
Dynamic Elongation: 35 %
Certifications: EN 892 (Single rope)
Special Treatments:
Thermo Shield for supple handling
3D Lap Coil for instant tangle-free use
Material: 60% standard polyamide, 40% bio-based polyamide
Like Yggdrasil’s roots anchored in all realms, the BIRDLIME 1R anchors your performance and your values. It feels smooth in the hand, coils clean out of the package, and offers confidence on both sharp gym edges and rugged crags. Plus, choosing renewable materials softens your climb’s footprint—like leaving only echoes on the rock.
A rope with heart, strength, and green credentials—perfect for climbers forging their own epic tales.