Chinook Aluminum Extension US Cup SDM


“In stock”: same or the next day
“Available on backorder”: within 3-10 days
“Out of stock”: please contact us via email
The new Six Pin adjusting collar and anodized logo/index markings are some of the unique and innovative features that make these the most popular extensions on the market. Standard with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments.
SKU: chinook-aluminum-sdm-extension-us-cup Category: Tags: , , , , , , , , , ,



  • Standard Diameter
  • US Basecup
  • Large brass pulleys for increased leverage

Additional information

Chinook Extension

Medium 28cm, Small 12cm, Tall 48cm


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