One Design Parts

Racing sprit that is both light and flexible. Perfect racing spar for any sailor under 80 pounds.Oversize Shipping This item is oversize due to length and or weight, but can still ship via common...

FJ transom Bar w/ 4 holes

Replacement Opti wind indicator vane in BLUE. Fits the standard 5 mm shaft found on the Opti Low Friction Wind Indicator from Optiparts. *Vane only*

This product gives you all you need to get your ILCA toe strap adjustable on the CL828-68AN cleat

This 16mm Single beckett block is one of the smallest blocks made by harken. On the RS Aero, it is part of the vang system.

This Harken block has a main 40mm sheave and a 29mm fiddle below it. This part is popular with opti sailors for making their mainsheet 4:1. 

This cover is for the hull of an opti. It has shock cord inserted around the rim and adjustable straps so the cover can sit securely on the hull. It has additional padding in 3 large strips for added...

The trapeze kit for the RS Quest includes everything you need to get out on the wire! Trap rings, line, cables, shock cord, clamcleats are all included and come as a completed assembly.

This pre-cut section of 6mm gray Dynema is made for an ILCA traveler. It is 144 inches long and has a 2 inch splice in one end. 

This hiking strap from Zhik is designed to go with Zhik's "Zhikgrip" boots. The underside of the hiking strap and the top of the boots have rubber studs designed to "lock" together when hiking and...

9" Sail Numbers for One Sails. RED