Harken Two-Speed Mainsheet Self-Contained System 4:1/8:1

Harken Stock Currently Available: 2

Harken® gross-trim/fine-tune mainsheet systems are easy to install and use. These optimized systems decrease overall line clutter because they use less line than traditional gross-trim/fine-tune systems.


  • Max sail area end-boom (m²) 32.4
  • Max sail area mid-boom (m²) 25.5
  • Maximum line Ø (mm) 10
  • Minimum line Ø (mm) 8

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