One Design Parts

Stainless steel clip holds the rudder on the gudgeons in the event of a capsize

 Four hole mount eyestrap for mainsheet blocks.

Made of durable, flexible PVC, stand-up boots holdblocks up without snagging lines. Fits 40 mm and 57 mm blocks  Zim Applications Opti: mainsheet block Harken Part # 369

Ring for boom bridle to clip mainsheet pennant onto. 25mm diameter x 3mm thick wire. 

 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...

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