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Ohm Assisted Braking Device

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Ohm Assisted Braking Device is available for purchase in increments of 1

The Ohm is an assisted-braking resistor to increase rope friction when there is a large weight difference between 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.

  • 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): 25 - 85 lbs. (10 - 40 kg)
  • Minimum weight belayer: 85 lbs. (40 kg)
  • For single ropes from 8.9 - 11.0 mm


Suitable For Belaying: Yes
Fmax. Vertical: 15 Kn
Approved Rope Diameter: 8.9 - 11 mm
CE Marking: CE 0123
Country of Origin: Germany
Weight: 470 g