Quick Facts
- 50mm sheave diameter
- 990 lb. working load limit
- Accommodates 1/4" - 3/8" lines
- 5/32" max pin diameter
- Fiddle design provides superior mechanical advantage for complex rigging,
- High-density free-spin bearing reduces axle diameter for superior efficiency
- Switch easily between swiveling and fixed
- Shackle post designed to fit Lewmar travelers for seamless compatibility
- Ideal for halyard tuning, mainsheet systems, mast foot and head blocks, and boom vangs
Specifications
- SKU: 2020209456
- Brand: Lewmar®
- Product Color: Black
- Country of Origin: uk
- Quantity In Package: 1
- Unit of Measure: EA
- UPC: 743683203763
- Manufacturer Reference Number: 29925031BK
What's Included
- Block

Lewmar 50mm Synchro Block Fiddle #29925031BK

SKU #: 2020209456

Upgrade with Lewmar Synchro blocks for unparalleled speed and efficiency. Featuring optimized geometry, free-spin bearings, and a self-aligning head, they reduce friction by up to 40%. Enjoy smoother sail handling, less rope wear, and versatile shackle options for lasting performance.

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Quick Facts
- 50mm sheave diameter
- 990 lb. working load limit
- Accommodates 1/4" - 3/8" lines
- 5/32" max pin diameter
- Fiddle design provides superior mechanical advantage for complex rigging,
- High-density free-spin bearing reduces axle diameter for superior efficiency
- Switch easily between swiveling and fixed
- Shackle post designed to fit Lewmar travelers for seamless compatibility
- Ideal for halyard tuning, mainsheet systems, mast foot and head blocks, and boom vangs
Specifications
- SKU: 2020209456
- Brand: Lewmar®
- Product Color: Black
- Country of Origin: uk
- Quantity In Package: 1
- Unit of Measure: EA
- UPC: 743683203763
- Manufacturer Reference Number: 29925031BK
What's Included
- Block

Product description

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Product description

Ultimate Sailing Efficiency

Experience unparalleled sailing performance with Lewmar Synchro blocks. Featuring a 50mm sheave diameter and a strong 990 lb. working load limit, these blocks accommodate 1/4" - 3/8" lines. The high-density free-spin bearing enhances efficiency by reducing axle diameter, providing smoother operation and up to 40% less friction. Easily switch between swiveling and fixed setups, and enjoy seamless compatibility with Lewmar travelers thanks to the precision-designed shackle post. Ideal for halyard tuning, mainsheet systems, mast foot and head blocks, and boom vangs, Lewmar Synchro blocks are built to deliver superior performance and durability on the water.

Trusted Brand

Lewmar, a global leader in leisure marine equipment, specializes in designing, manufacturing, and distributing top-quality winches, hardware, hatches, port lights, steering systems, bow thrusters, anchoring, and windlass products. As part of the Lippert family, a renowned provider of innovative, highly engineered solutions, Lewmar shares Lippert’s dedication to advancing the RV, marine, automotive, commercial vehicle, and building industries. Together, they’re committed to continuously enhancing customer experiences and driving progress in the industry.

Lewmar Synchro Block Features

ENGINEERED FOR EFFICIENCY — Features scientifically optimized block geometry, Free-Spin bearing, and a self-aligning head for up to 40% more efficiency over budget blocks
SUPERIOR HANDLING — Each component is synchronized with the rope’s movement for smoother power transfer and reduced rope wear
DURABLE CONSTRUCTION — Includes a stainless steel strap for enhanced strength and longer service life
VERSATILE DESIGN — Stiff glass fiber reinforced cheeks prevent lines from wedging, with an easy switch between swiveling and fixed shackles
ENHANCED PERFORMANCE — Larger sheave diameter minimizes rope friction, while a high-density Free-Spin bearing reduces axle diameter for superior efficiency