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Chinook Aluminum Extension - US Cup Reduced Diameter Medium

   
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The Chinook Aluminum Extension uses custom alloy and bell shaped tubing to provide the best weight to strength ratio available in aluminum construction. The new, easy to use Composite Snap Collar system eliminates lost pins or collars and can be quickly adjusted with one hand. All come with the proven US Power-Haul pulley and cleat system and 2cm adjustment increments.

  • Medium length adds a maximum of 28cm to mast length
  • Reduced diameter
  • US basecup
  • Large brass pulleys for increased leverage


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