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Black Diamond
Index Ascender

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Color:Black, Left



Why We Like The Black Diamond Index Ascender

When aiding big walls, we jug up overhangs using the Black Diamond Index Ascender. Equipped with a finger trigger and a foam grip, this jumar promises smooth, systematic operation, while the aggressive teeth deliver a reliable bite into our rope even if it has iced up.


  • Tough, efficient ascender for big wall climbing
  • Aluminum frame delivers lightweight durability and strength
  • Quick-release trigger finger for ascending efficiently
  • Molded ergonomic grip with dual-density foam for comfort
  • Large clip-in hole to accommodate various locking 'biners
  • Black color option has a right-handed design
  • Octane color option has a left-handed design
  • Item #BLDZ9OU
[frame] aluminum
Rope Diameter
8 - 13mm
Claimed Weight
Manufacturer Warranty
1 year