Chinook Alum US Basecup Ext



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Chinook Aluminum Standard US Base Cup Mast Extension

  • Standard Diameter

  • Aluminum

  • US Base Cup

  • Short $55, Medium $63, Tall $69

The sleek Snap Pin w/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. Two centimeter adjustment increments.

  • Tall 48cm, adds 48cm to mast length

  • Medium 28cm, adds 28cm to mast length

  • Short 12cm, adds 12cm to mast length

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