Lewmar 90mm Synchro Block - Single for Smooth Sail Handling

90mm Synchro Block - Single

Lewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on mainsheet systems.

Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.

Features:

• Stainless steel strap for improved strength and longer service life
• Stiff glass fiber reinforced cheeks to prevent lines from wedging
• Innovative design with tool-free sliding swivel locking mechanism

Technical Specifications:

• Working Load Limit - 4400lb
• Weight - 14.57oz
• Maximum Line Size - .55" (14mm)

*Sold as an Individual

The Lewmar 90mm Synchro Block (Part Number: 29929001BK) is a high-performance sailing component designed to enhance speed and efficiency in your rigging system. Crafted with a stainless steel strap, this block offers superior strength and durability, ensuring long-lasting performance even under demanding conditions. The glass fiber reinforced cheeks prevent lines from wedging, providing reliable operation and reducing wear on your ropes. Its innovative design features a tool-free sliding swivel locking mechanism, allowing quick adjustments without additional tools, which simplifies maintenance and setup on the water.

This Synchro Block employs scientifically optimized geometry combined with a Free-Spin bearing and a self-aligning head, which together reduce friction and increase operational efficiency by up to 40%. These features contribute to a smoother transfer of power from the deck to the sail, resulting in better control and responsiveness during sailing. The block is rated with a working load limit of 4,400 pounds, making it suitable for a wide range of sailing applications. Weighing approximately 14.6 ounces, this component is lightweight yet robust, supporting line sizes up to 0.55 inches (14mm). Whether upgrading existing rigging or installing a new system, the Lewmar 90mm Synchro Block offers reliable performance and ease of use.

Designed for sailors seeking high performance and durability, this single Synchro Block is ideal for mainsheet systems and other applications requiring efficient line handling. Its engineered features ensure smoother operation, less rope wear, and increased control, making it an essential component for serious sailors and boat owners. Sold individually, the Lewmar Synchro Block is an investment in your vessel’s handling capabilities, providing a combination of innovative technology and rugged construction.

Features:

• Stainless steel strap for improved strength and longer service life

• Glass fiber reinforced cheeks prevent lines from wedging

• Tool-free sliding swivel locking mechanism for quick adjustments

• Optimized geometry and Free-Spin bearing for up to 40% efficiency increase

• Self-aligning head reduces friction and wear