CMI Ascenders - Aluminum Shell
CMI closed shell type cam ascenders are a significant improvement over other similar ascenders. The shell has been lightened by removing unnecesary metal, and slots hve been cut opposite the cam to increase holding power without damaging the rope and also to allow water and mud to escape without jamming the ascender. The slots also improve griping ability on icy ropes. The new heavy heavy cable spring system has been tested to over 1 million cycles without failure. By adjusting the cable spring, tension can be increased or decreased. The newly designed cam has a wider face to help prevent the rope sliding to the side as in other ascenders. The rigging hole in the cam is also much larger for improved rigging. One size fits all ropes from 3/8" to 5/8".
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