CMI Expedition Ascender
Best heavy duty ascender for climbers wearing thick winter gloves.
Designed for heavy-duty vertical work, this tool prioritizes comfort and reliability. The oversized grip ensures easy handling even with thick gloves, while the robust construction provides a secure hold on a wide range of rope diameters.
$143.99
at
Sherrilltree
More Expedition Ascender options
Who it's for
- Mountaineers and ice climbers working in extreme cold environments
- Expedition climbers requiring gear that survives harsh vertical journeys
- Rescue professionals and cavers dealing with contaminated or frozen ropes
Who should skip it
- Fast-and-light alpinists prioritizing weight savings over extreme durability
- Sport climbers or arborists working in tight, cluttered vertical spaces
- Casual gym or crag climbers seeking a compact, everyday ascender
Performance breakdown
Grip Ergonomics
Oversized handles accommodate thick winter gloves without sacrificing control or comfort.
Rope Compatibility
Handles a wide range of rope diameters for diverse climbing applications.
Build Durability
Rugged aluminum body and steel cam withstand harsh, high-frequency professional use.
Rope Tracking
Deep channel design ensures smooth, consistent movement without rope slippage.
Rigging Versatility
Dual tie-in points offer flexible setup options for complex hauling systems.
Safety Mechanism
Intuitive operation allows for quick, reliable engagement even under significant tension.
Key Specs
Body Material
6061 Aluminum
Cam Material
Cast Steel
Minimum Rope Diameter
5.0 mm
Maximum Rope Diameter
16.0 mm
Rope Compatibility
8.5mm - 16mm (ascending), 5mm - 8mm (fixed ropes)
Breaking Strength
15.12 kN
Weight
362.87 grams
Dimensions
7.2 inches x 8.0 inches
Hand Orientation
Both
Device Type
Handled Ascender
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