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Lewmar 72mm Synchro Block Fiddle & Becket 29927234BK
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.
Two Weeks Processing Time

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
Quick Facts
- 72mm sheave diameter
- 2,420 lb. working load limit
- Accommodates 3/8" - 1/2" lines
- 1/4" max pin diameter
- Fiddle design provides superior mechanical advantage for complex rigging,
- Becket provides an extra attachment point for additional line management
- 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: 2020209491
- Brand: Lewmar
- Product Color: Black
- Country of Origin: UK
- Quantity In Package: 1
- Unit of Measure: EA
- UPC: 743683204722
- Manufacturer Reference Number: 29927234BK
What's Included
- Block