One Design Parts

Upgrade your ILCA lower mast section with this Hi-Load vang tang from Selden. This innovative fitting is 100% stronger than the previous design, with virtually no increase in weight—a breakthrough that significantly enhances both performance...

Optimist adjustable maststep with reinforced cup. This cup is improved in several key areas to make it more durable: The base and the round part of the cup are both thicker, increasing from 1.5 mm to 2 mm. The weld between the cup and the threaded...

Reinforced cup for the Optimist mast step. This version is improved in several key areas to make it more durable: The base and the round part of the cup are both thicker, increasing from 1.5 mm to 2 mm. The weld between the cup and the threaded section...

Airbag buoyancy aid for Optimist Sailboats from Colie. These Optimist buoyancy bags are made of polyurethane coated nylon and are about half the weight and significantly stronger than buoyancy bags made of PVC or PVC coated nylon. Buoyancy bags are...

Airbag buoyancy aid for Optimist Sailboats from Colie. These Optimist buoyancy bags are made of polyurethane coated nylon and are about half the weight and significantly stronger than buoyancy bags made of PVC or PVC coated nylon. Buoyancy bags are...

This 1/4 inch quick pin allows for the detachment of the ILCA vang body from the mast to be quick and easy. Works on both Harken and Ronstan ILCA vang lower units. The push lock ensures that the pin stays put on even the roughest days. This pin is...

This sticker acts as a guide, allowing you to hoist and trim the sail to the proper level on an Optimist sailboat. Use Blue for Silver / Quicksilver Optimist masts Measures position of sail relative to the mast and boom

The professional model tension gauges will provide an increase in accuracy and convenience of use when compared to Loos & Co.'s standard gauges. The gauge may be hooked on wire and will remain in position while the tension is adjusted. Works with...

Upgrade your ILCA deck block plate and block assembly with the latest 29mm Harken Carbo Blocks. This assembly features 2 Harken 464 29mm Carbo Blocks with removable sheave plus a standard stainless deck plate. This system works great for modern control...

Lightweight aluminium trolley with stainless steel axles and solid hull supports. Supplied with Bow wow which is made of recycled environmental friendly plastic, a unique system to lock the bow to the trolley with one quick and simple movement. Prevents...

RS Feva Hiking Strap Set for MK2 / make 2 RS Feva sailboats. RS Sailing Part # FEV-HF-402