Beal Spelenium Unicore - 8.5mm - 200m

Beal Spelenium Unicore - 8.5mm - 200m

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Low stretch rope (type B) perfectly adapted to caving. It's ease of use comes from it's thin diameter and remarkable suppleness characteristic of a type B rope The Uni Core process which permanently bonds the sheath to the core prevents any slippage of one over the other. Should the sheath get torn due to abrasion, it still remains glued to the core without any slippage. This allows the user to escape either on his way up or down.


  • Soft to the touch and extreme suppleness for a type B rope.
  • Ease of use even for light users.
  • Enhanced safety as a result of the Uni Core process.
  • Easy to prepare - cutting to length using a simple blade without any heat required to anneal the end is now made possible thanks to the Uni Core process.
  • Reduction of shrinkage in water by more than 50 %.

What is Unicore?
Astonishing new technology which binds the sheath to the core without affecting the ease of use and suppleness of the rope.
Even under the most adverse conditions, sheath slippage is reduced or totally eliminated, especially in such instances as top roping or active belaying.
Should the sheath be cut or torn, the sheath and core will remain bonded together.
During regular operations during caving or rope access abrasion due to a rough edge can cause it to be cut and slip, sometimes in excess of 1 meter.
The astonishing UNICORE process allows the sheath and the core to stay bonded together allowing the user to be able to pass any damaged section using proper techniques, he doesn't remain stuck on his rope.
The UNICORE process enhances safety when rope is used in extreme situations.
This is possible due to the fact that this new process:

  • Sheath slippage is eliminated.
  • Allows safe escape should the sheath be cut.
  • Makes rope cutting easy with a simple blade without any heating.
  • Reduction of shrinkage in water by more than 50 %.


Rope Type
Diameter (mm)
Sheath %
Static Elongation
Breaking Load daN(kg)
2000 daN(kg)
Length (m)
Weight per Metre

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