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Sterling Ropes

Sterling Evolution Helix 9.5mm x 70m


The Sterling Evolution Helix 9.5mm x 70m is a skinny workhorse climbing rope, ideal for high-end sport and trad climbing.

With an improved sheath construction and bantam weight core construction, the Helix blends all the right features to make a small but mighty, durable climbing rope. 

The sheath and core construction of Evolution ropes are engineered for the ideal balance of low impact force, lightweight, and high fall ratings, all of which make these climbing ropes incredibly durable. The smooth sheath produces less drag through gear and over rock, allowing for an easier clip. 

Sterling DryCore
The core yarns of all dynamic Sterling climbing ropes have been treated to reduce moisture absorption and yarn-on-yarn abrasion. Sterling have tested ropes with and without their DryCore treatment and have found that the DryCore ropes maintained their strength characteristics and had less elongation than non DryCore ropes when wet.


  • Type: Single
  • Diameter mm: 9.2
  • Treatment: Sterling Dry
  • Static Elongation %: 7.2
  • Dynamic Elongation %: 31.9
  • UIAA Falls: 7
  • Impact Force kN: 8.9
  • Sheath Slippage mm: 0
  • Proportion of Sheath %: 41
  • Weight Per Meter: 59g


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