One Design Parts

Integrated large and small ILCA traveler block from Allen with ball bearings for great performance. Replaces the standard 'traveler block large' and 'traveler block small' which are connected with a sister clip to reduce the space between the blocks and...

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!...

ILCA High Load Vang Becket Block with Key from Ronstan 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 RF34118HLK a low friction, low profile...

This is the Zim Sailing C420 PRO Spinnaker Pole featuring a tapered Super Spars pole with black finish and standard piston ends. Standard on the Zim C420 - PRO boat. This spinnaker pole does include floatation but will NOT float indefinitely. The pole is...

The MK3 MEDIUM mast fits perfectly in our mast range between the regular MK3 and MK3 FLEX; it’s 8% more flexible compared to the MK3 mast and 8% stiffer compared to the MK3 FLEX mast. The MK3 MEDIUM mast for the Optimist is mainly suitable for...

The most flexible and active mast which is designed for lightweight sailors. The MK3 Flex mast for the Optimist is mainly suitable for sailors below 35 kg. Superior Lanurep spacecraft alloy High grade 45 um hard anodized surface Windesign wind indicator...

This allround racing mast is designed for mid weight sailors and can be matched with all booms and sprits. The MK3 mast for the Optimist is mainly suitable for sailors from 35 to 45 kg. Superior Lanurep spacecraft alloy High grade 45 um hard anodized...

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...

Harken model 2135 57mm ratchet block, used as Optimist mainsheet block with 2-way link. Harken 57 mm carbo ratchet block. Machined aluminium sheave with 8 facets to hold the line securely. Weighs only 85 grams. Supplied with 2 way link to mount on EX1410.

Fighter's top-of-the-line daggerboard meets the strictest IODA standards. Flex: under 40kg (88lbs) athlete weight Medium: over 40kg (88lbs) athlete weight From Fighter:  "Perfect hydrodynamic profile and smooth finish provides a reduction in water...

Fighter's top-of-the-line daggerboard meets the strictest IODA standards. Flex: under 40kg (88lbs) athlete weight Medium: over 40kg (88lbs) athlete weight From Fighter:  "Perfect hydrodynamic profile and smooth finish provides a reduction in water...