Standard Medium Carbon Mast Extension US Cup


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Chinook's Carbon Mast Extensions are LIGHT, STRONG, and simply the BEST you can get!  The 28cm length will cover your rigging needs by getting you up to the next mast size.  The adjustment collar has no moving pieces or pins to lose, and is super easy to adjust in 2cm increments.

Product Details

Improved lay-up and manufacturing process! Our lightest extensions come with a Six Pin adjusting collar and are stronger than ever with reinforced sidewalls. All come with the proven US Power-Haul pulley and cleat system and 2 cm adjustment increments.

  • Adds maximum of 28cm to mast length
  • Standard Diameter
  • US Basecup
  • Large brass pulleys for increased leverage
  • Stronger than aluminum

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