Optiparts EX1321 - Harken 40/29 mm Optimist Mainsheet Link Block with Dyneema Shackle – 4:1 System

ID 806971

$ 107.88

1-2 weeks delivery time

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Optiparts EX1321 is a Harken 40/29 mm mainsheet link block designed specifically for creating a 4:1 Optimist mainsheet system. Supplied with a Dyneema-spliced shackle, it offers a lightweight, high-strength connection and smooth low-friction performance for efficient mainsheet trimming in competitive sailing conditions.

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Optiparts EX1321 - Harken 40/29 mm Optimist Mainsheet Link Block with Dyneema Shackle – 4:1 System

Optiparts EX1321 is a high-performance Harken mainsheet link block assembly designed for Optimist dinghies, providing an efficient and lightweight solution for building a 4:1 mainsheet purchase system.

This assembly combines Harken 40 mm and 29 mm block elements in a compact link configuration, optimized for smooth mainsheet handling and precise sail trimming under racing conditions.

The included Dyneema-spliced shackle offers exceptional strength with minimal weight, improving rig responsiveness while reducing overall system mass. This makes the block especially suitable for competitive sailors seeking maximum performance.

Brand	Optiparts / Harken
Part Number	EX1321
Product Name	Harken 40-29 mm Optimist mainsheet link block with shackle
SKU	EX1321
EAN	7438207093007
Type	Mainsheet link block assembly
Block Sizes	40 mm / 29 mm
Attachment	Dyneema spliced shackle
Function	Creates 4:1 Optimist mainsheet purchase system
Application	Optimist racing mainsheet systems

Harken 40/29 mm dual block link assembly
Designed for Optimist 4:1 mainsheet systems
Supplied with lightweight Dyneema-spliced shackle
Optimized for smooth low-friction mainsheet trimming
Ideal for high-performance racing applications