Ascenders/Rope Clamps

Large Ultrascender:  An ergonomic safety mechanism and thumb notch on the cam make this an easy ascender to operate. Available in Red and Black. *NFPA Version:  Exceeds tests for national fire protection association standard on fire...

 Arborist Aluminum Ropewalker: Provides quick mechanical adjustment to fliplines and comes equipped with an adjustable tension spring and a bolt through the cam for fixed application on the lanyard. This is the strongest flipline adjuster at...

Aluminum Ropewalker: Designed to accommodate left and right handed users, the Ropewalkers grabbing pressure is maintained by the beefiest spring wire in our lineup. Slots in the bottom are designed to pass chips, grit, and mud right on through. For ropes...

 Rope climbing is made easier by the CMI Foot Ascender. The addition of this boot-mounted device maintains tension on the rope, allowing for easier advancement of the main ascender, and promotes better use of body mechanics by keeping your body in...

The Twin Expedition is the first single-handled dual ascender designed to meet the needs of industry leading Arborist professionals. The EXPTWIN easily accommodates three rope techniques - 2:1 doubled rope technique (DdRT), 1:1 single rope...

Looking for some extra gripping power? Our new Double-handled Expedition Ascender is your solution! Two handles let both hands get in on the lifting action, making going up almost as easy as going down. MBS: 3400lbs (51.1kN) Size: 8...

The CMI Expedition Ascenders incorporate the most comfortable handgrip ever seen on an ascender. Our ergonomic design cushions the hand and provides something substantial to hold on to. Other features include an easy to operate safety, dual tie in holes...

The CMI Expedition Ascenders incorporate the most comfortable handgrip ever seen on an ascender. Our ergonomic design cushions the hand and provides something substantial to hold on to. Other features include an easy to operate safety, dual tie in holes...

The ideal companion to CMI Ascenders! These heavy duty ascender rigging slings are produced in our factory from 6000 pound test type 18 flat nylon web. They are designed around the basic Texas ascending system with slings running from the upper ascender...

BD Athlete Alex Honnold doesn’t have to rely on much gear, but for all of his groundbreaking exploits on rock, there was always one crucial component: Chalk. That’s why we’ve partnered with the Honnold Foundation for ECO Gold—the...

The Speed Step Aider is a nylon foot stirrup made for ascending ropes quickly and easily. Length can be adjusted easily using the top buckle and the aider fits securely around your foot with an elastic loop that’s also adjustable. Nylon...

The Speed Step Pro is a lightweight Dyneema foot stirrup made for ascending ropes with ease. The length can be adjusted using the top buckle and the aider secures around your foot with an elastic loop that’s also adjustable. Dyneema...