One Design Parts

 Opti Boom Bridle. Constructed with lightweight, low stretch Covered Vectran and a stainless steel ring.  

Zim protest flag, bright red flag deploys with a quick pull.  

An Opti hand bailer is essential for keeping your boat afloat and fast. Sail and bail! The square opening in our Opti bailer is great for getting every last drop out of your Optimist.  Lanyard included.

Specially made by the Zim Rigging Department for the top Optimist competitor, this is the ultimate 4:1 mainsheet block and clip. An upgrade over our standard mainsheet clip block, this assembly allows a 4:1 purchase which can be super helpful in heavy...

Stainless steel clevis pin - 1/4" x 1/2" with 3/8" grip length.  Commonly used for the ILCA Harken Vang Lower Base Unit vang tang pin (to connect the vang lower unit to the tang on the lower mast section).

Selden 40mm fiddle block with hook, cam & eye. Currently used on the RS Tera & RS Zest as the standard supply for the kicker unit. Specification: Weight: 218g Safe Working Load: 250kg Breaking Load: 500kg Max Line Size: 7mm Adjustable arm with...

Selden Aluminium Tiller Extension Supplied with Selden UJ fitted Used on boats such as the RS Aero, RS Tera, and RS Feva Material: Aluminium Length: 1.1m RS Sailing Part # RSM-FO-913

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

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...