CMI Expedition Ascender
Best heavy duty ascender for climbers wearing thick winter gloves.
This dual-handled ascender transforms grueling vertical climbs into a more manageable, full-body effort. By letting you pull with both hands, it drastically reduces forearm fatigue, though the bulkier design means you sacrifice some packability compared to lighter, single-handed alternatives.
$143.99
at
TreeStuff.com
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Who it's for
- Professional arborists and rescuers requiring gear that withstands heavy daily abuse.
- Cold-weather climbers and industrial workers using protective handwear.
- Multi-discipline technicians working with diverse rope types and sizes.
Who should skip it
- Ounce-counting backpackers and alpine climbers prioritizing a light gear rack.
- Climbers navigating tight spaces or seeking a streamlined gear profile.
- Beginners seeking highly intuitive safety features for peace of mind.
Performance breakdown
Ergonomic Efficiency
Dual-handle design significantly reduces upper body strain on long, vertical hauls.
Rope Versatility
Handles a broad spectrum of rope diameters with consistent, reliable grip.
Build Durability
Rugged aluminum construction stands up to harsh, high-altitude climbing environments.
Weight-to-Strength Ratio
Solid breaking strength, though slightly heavier than minimalist single-handle alternatives.
Ascent Speed
Two-handed operation allows for faster, more fluid movement up the line.
Ease of Attachment
Intuitive mechanism makes clipping onto the rope quick and secure.
Key Specs
Device Type
Handled Ascender
Material
Aluminum
Weight
369 grams
Dimensions
8.25 inches x 7.2 inches
Minimum Rope Diameter
8.5 mm
Maximum Rope Diameter
13 mm
Breaking Strength
15.1 kN
Number of Users
1
Country of Origin
USA
Know before you buy
Still have a question?
Ask Metto anything about the CMI Expedition Ascender before you decide.
