CMI Small Ultrascender Ascender

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CMI Small Ultrascender Ascender

Cutting Edge, Field Tested, Expedition Proven

CMI ascenders have been there on first ascents, grueling expeditions, and daring rescues, always returning to climb another day. CMI Ascenders are chosen by the most demanding users.

  • CMI ascender bodies are extruded from aircraft grade aluminum and stainless steel. The aluminum bodies are finished with a hard powder coat to permanently protect them from the elements. All of CMI's ascenders easily accommodate 5/8" ropes. Numerous tie in points accommodate the largest carabiners in use today.
  • The 17-4PH stainless steel springs in CMI's ascenders are tested to over a million cycles, simulating lifetimes of the most demanding use.
  • Newly redesigned with a more aggressive grip and a thumb notch to simplify retraction. Cast from 4140 chrome moly steel and finished with an exclusive non metallic finish to to give the cams the same corrosion resistance as stainless steel.
  • CMI molded plastic hand grips fit the contour of the ascender and feature an integrated safety that is easier to use and more comfortable on the hand than any other ascender on the market.
  • An ergonomic safety mechanism and thumb notch on the cam make this an easy ascender to operate.
  • Available in Red and Black.

Sold as a pair (one left, one right) also available singly as well. Price for singles is half of price per pair.


  • MBS: 3,500 lbs
  • Length: 5.1" x 3"
  • Weight: 6 oz

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