Petzl
Rack
Rack
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Brake bar descender for long descents
RACK is an easy-to-use caving descender. It can be used with 9 to 13mm diameter low stretch kernmantle ropes (on one rope strand) or with 8 to 11 mm low stretch kernmantle ropes (on two strands) to facilitate long descents over 80 meters. The brake bars are replaceable to prolong its useful lifetime.
Features
Features
• Simple to use:
- Very easy to use; the bars engaged on the rope can be adjusted at any time to obtain the desired amount of friction
- Compatible with 9 to 13mm diameter low stretch kernmantle ropes
• Suited for long descents (over 80 meters):
- Can be used on two rope strands, with 8 to 11mm diameter low stretch kernmantle ropes
- Good distribution of friction and heat helps preserve the rope
- Does not twist the rope
• Lifespan of the device can be optimized by replacing the brake bars (D11300, D11250, and D11200)
Specifications
Specifications
• Weight: 470g
• Material(s): Stainless steel frame, aluminium bars
• Rope compatibility: 9 to 13 mm low stretch kernmantle rope on one rope strand, 8 to 11 mm on two strands
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