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Mainsail Furling System

Mainsail Furling System image

From CDI: Mainsail Reefing you can install, at a reasonable price!

Based on the time proven design of the CDI Flexible Furler, this new mainsail reefing system finally delivers a reasonably priced mainsail reefing system that can be owner installed.

It eliminates flogging sails in the cockpit when reefing or furling the mainsail. The mainsail can be reefed from the safety of the cockpit as easily as reefing the jib. As with a jib reefing product, the new mainsail reefing system allows infinite size choices when reefing the mainsail to accommodate all wind and sea conditions.

The new mainsail reefing system is designed to be easily installed on existing boats, without costing more than the boat itself.


  • sailboats up to 40' long
  • mainsail luffs up to 39'
  • mainsails with up to 400 Sq Ft area
  • integral internal stay
  • internal halyard included
  • all mounts and hardware included (drill bits too!)
  • extrusion takes number #6 luff tape

Sail Considerations: Requires a loose foot mainsail with #6 luff tape, UV cover and no battens. Doyle does make a vertical batten mainsail which can be used with this system, for more information contact us.

Does not include outhaul line or furling line

This system has the same warrantee as all of CDI's other products, 6 years covering all hazards at sea.

Made to order: No
Est. Delivery: see chart
Item Lead Time Addl Image Our SKU
Mfg P/N
Specs Status Price Quantity
Mainsail Furling/Reefing System3 business days SKU 802579
Small Boat Mainsail Furler3 business days SKU 802580