One Design Parts

Opti mainsheet line precut and ready to sail using 6mm Robline Mainlite. Ideal for the Optimist mainsheet application, this sheet does not kink and is lightweight thanks to a XLF core (Polypropylene)...

The Latest Harken ILCA Vang MK2 + Zircon Twiddle + 25mm Fly Block, Fully Spliced & Ready to Sail The new Harken ILCA MK2 Vang Lower Unit is a unique design that improves on the legacy Harken vang...

Upgrade your ISCA Sailboat sail ties with easy-to-use soft shackles, designed by Paul Zinger. These dyneema loops provide a perfect fit and are easy to install and remove, eliminating the need to get...

All-Stainless Quick Adjust Lever for the ISCA sailboat from Zim Sailing. Say goodbye to rusty and corroded quick adjust levers with this all-stainless lever and knob! Handle, swivel, pin, and knob...

Brand new class-legal Hyde ILCA6 sail with minor visual imperfections. Sails are unused, and ready to be used to race. Includes sail bag and telltales. Cloth has translucent white lines in some...

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. This 40mm Carbo Air Block features a 90 degree strap that is removable. Zim Sailing uses this specific block for the...

Nylon sprit adjuster handle for the Optimist and other control lines. For easier handling of the halyard. Suitable for 4 mm lines. Optiparts EX1354

Batten set for the new ILCA 4 MK II sail. This new sail requires this unique batten set; existing battens will not fit properly.

Best selling Optimist race daggerboard from DSK, built in Greece and trusted by Optimist sailors around the world. Available now at Zim Sailing. The DyNamiS is suited for sailors over 97 lbs...

Best selling Optimist race daggerboard from DSK, built in Greece and trusted by Optimist sailors around the world. Available now at Zim Sailing. The eXeLiXis is suited for sailors between 71 and 99...

Best selling Optimist race daggerboard from DSK, built in Greece and trusted by Optimist sailors around the world. Available now at Zim Sailing. The FleXis is suited for sailors up to 82 lbs...

Best selling Optimist race rudder from DSK, built in Greece and trusted by Optimist sailors around the world. Available now at Zim Sailing.