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Edelrid Ohm



Assisted-braking resistor for increasing rope friction when there is a large weight difference between the belayer and lead climber. In the event of a fall, the OHM increases the amount of rope friction so that a lighter belayer can hold a heavier lead climber without difficulty.

Product Information

  • Belayer requires significantly less hand braking force to arrest a fall
  • Lowering a heavier climber is much easier to control
  • OHM is attached at the first bolt in the safety chain
  • Should a lead climber fall at the first bolt, the OHM significantly reduces the risk of a possible ground fall
  • Rope handling when belaying a lead climber not affected (no additional friction when paying out rope)
  • Recommended weight difference (lead climber > belayer): 10–40 kg
  • Minimum belayer weight: 40 kg

Technical Information

  • Approved rope diameter [mm]: 8.9 – 11
  • Country of origin: Germany
  • Weight: 470 g


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