One Design Parts

High quality North training sail. Fully race ready with sail hoist mark, class insignia and class measurement button. Very well made from durable Dacron, will last much longer and hold its shape better than the resin rich, lower grade, training sails out...

The ZHW training sail can be used on any Optimist or Pram. The luff is shorter and the clew to head is a straight line which eliminates the sprit and significantly reduces sail area. The battens have been eliminated to allow for easy storage. Great for...

Epoxy daggerboard optimized for racing at the class minimum weight. made according to the latest IODA rules. Our Epoxy daggerboard has an excellent finish and is fitted with battens made of teak.

Epoxy rudder optimized for racing at the class minimum weight. Made according to the latest IODA rules. Our epoxy foils have an excellent finish. Tiller available separately.

The standard boom block is mounted to the mid point of the ILCA boom. Pass your mainsheet up from your mainsheet block, through the boom block, and then aft to the boom block with becket to complete your rigging. Attaches to the boom with the stainless...

The boom block with becket is attached to the aft end of the ILCA boom. Pass your mainsheet through the block, down to the traveler block, and back up to secure to the becket. A great upgrade for an older boat, particularly for light air sailing!...

The ILCA Vang Upper Block is a Harken wire block with becket with attached vang key. It features indented sides to prevent the line from slipping off the sheave. The included vang key is the latest 'updated' style with larger head for improved strength...

Upgrade your ILCA vang with this new high load upper vang block from the hardware experts at Ronstan. Introduced as part of the Series 30 Block collection, the RF34108HLK is a low friction, low profile vang block with clevis pin for removing vang key...

The 16 mm is Harken’s® smallest block. It is perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race. Sheave 16 mm / 5/8 in Length: 54 mm / 2 1/8...

The magnetic boat set is a great teaching tool for sailors and coaches. Ideal for accurately depicting races, on water situations, enforcing and teaching the Racing Rules, as well as for evaluating protests. Great for sailing clubs, committees, sailors...

Nylon wear protection pads for the ILCA dinghy. Designed to stop the mainsheet blocks from damaging the deck of the boat. The wear protectors clip around the traveler fairlead and are held in place by friction and the traveler rope. There is no overhang...