One Design Parts

Upgraded 40mm traveler block for the ILCA. Class legal. Built by Harken. LP Part # 91451

Upgraded 40mm boom block for the ILCA. Class legal. Built by Harken. LP Part # 91449

Upgraded 40mm boom block with becket for the ILCA. Class legal. Built by Harken. LP Part # 91450

Block, 25mm, Wire, Fork Mount Harken Part # 466

Block, 18mm, Double, Tie Harken Part # 2158

Block, 16mm, Fork Mount Harken Part # 376

Here at Zim Sailing we stock and sell more Optimist Airbags than anyone else in North America.  Our airbags are fabricated from a heavy duty polyurethane and feature a long twist valve style tube. We sell 43L and 48L airbags. Typically 43L...

90 degree rotated 40mm Carbo block for the boom. Low-friction Carbo AirBlocks® are lightweight, strong, reliable—and affordable. These small, compact blocks have very high working loads for safe, easy trimming.  ZIM APPLICATIONS Club...

Tiller extension, 48" All extensions include universal joint and base for mounting on existing tillers. The rigid anodized body of this tiller extension transmits subtle boat and rudder movements, allowing you to steer by the feel of the helm. The simple...

Tiller extension, 42" All extensions include universal joint and base for mounting on existing tillers. The rigid anodized body of this tiller extension transmits subtle boat and rudder movements, allowing you to steer by the feel of the helm. The simple...

Harken Jib Track use for adjusting the position of jib sheeting blocks. It's compatible with Zim part number 20331 "Harken Jib Car Track" and most blocks and jib sheeting hardware Harken Part # 450

Harken fiddle block with 22mm sheaves and jam cleat. Used in 3:1 vang systems.   Harken Part # 244 LP Part # 91330