Petzl R21B Rumba 8mm Dry Half Rope

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  • Petzl R21B Rumba 8mm Dry Half Rope
  • Petzl R21B Rumba 8mm Dry Half Rope
  • Petzl R21B Rumba 8mm Dry Half Rope
$174.95 - $224.95
Frequently bought together:


The RUMBA 8.0 mm half rope offers great versatility in multi-pitch climbing, mountaineering or ice climbing.

Featuring a reinforced sheath for great durability, it also has the Duratec Dry treatment for enhanced performance under all conditions.


  • The best balance for all-season use:
    • for use in rock, mixed, snow or ice environments
    • use as half or twin rope
  • Greater longevity and ease of use in any conditions
    • Duratec Dry water repellent treatment:  makes the rope more resistant to water, dirt and abrasion; handling, grip and other characteristics are retained longer in cold, wet conditions
  • Convenient rope handling:
    • Middle Mark:  indicates the middle of the rope to facilitate maneuvers
    • EverFlex treatment:  special thermal treatment stabilizes the core strands and improves handling over time


  • Diameter:  8 mm
  • Type of rope:  (CE EN 89s, UIAA) half rope, twin rope
  • Weight per meter:  44 g
  • Percentage of sheath:  41 %
  • Number of factor 1.77 falls:  7 (half ropes), 22 (twin rope)
  • Static elongation:  11% (double rope), 6% (twin rope)
  • Dyanamic elongation:  33% (double rope), 32% twin rope)
  • Shock load:  6.3 kN (double rope), 9.6 kN (twin rope)
  • Construction:  40 carrier
  • Materials:  nylon
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