OptiMax MKIV Spar Set

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OptiMax MKIV Spar Set

910.40 910.4 USD 910.40


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Manufacturer: Optimax
MPN Part #: Part # OX234M4HF
Over-Sized: Yes
Ship Location Option: Due to its size and weight, this item carries a delivery surcharge. Please call 203-259.7808 for more information.

The MKIV is a stiffer spar than the MKIII and the cleat for the sprit halyard in a higher position for easier access. Vectran lines have also replaced wire on the boom. Built from superior Lanurep space craft alloy that is hard anodized to a to a dark gray color ensures maximum stiffness. All fittings are hard anodized, glued, and then mounted with stainless steel screws to ensure durability.


  • Pair of original Optimax® blue patent pennant holders (ox8)
  • Wind indicator (ox9)
  • SS halyard (ox6m3) complete with a Mk3 Optimax® design double row ball bearing ‘hook-in’ block
  • Ball bearing halyard block with a Dyneema® halyard line
  • Set of Dyneema® lacing lines for sail (ox11)
  • Set of Dyneema® mast top lacing lines for sail (ox10)
  • Optimax® mast collar & sleeve for maximum bearing and protection
  • Rigging instructions 

  Part # OX234M4P45


Boat Type Hobie 14 or Hobie 16 or Hobie 17 or Hobie 18
Size ProRacer