Chinook Mast Extension US Cup

Chinook Mast Extension US Cup

The Chinook Sailing Alloy US Cup Extension uses custom alloy and bell shaped tubing to provide the best weight to strength ratio available in alloy 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 Euro-Pin EX Power-Haul pulley and cleat system and 2 cm adjustment increments.

  • Reduced Diameter
  • US Cup 
  • Stainless steel button engages three sides of Euro-Pin for safer attachment
  • Large brass pulleys for increased leverage
  • SDM Extensions available from US as special order. Please call.

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